diff --git a/clients/laptop/laptop.desktop b/clients/laptop/laptop.desktop
index 8170d7e08f..9688359358 100644
--- a/clients/laptop/laptop.desktop
+++ b/clients/laptop/laptop.desktop
@@ -50,6 +50,7 @@ Name[pa]=ਲੈਪਟਾਪ
 Name[pt]=Portátil
 Name[ru]=Ноутбук
 Name[se]=Mátkedihtor
+Name[si]=ලැප්ටොප්
 Name[sl]=Prenosnik
 Name[sr]=Лаптоп
 Name[sv]=Bärbar dator
diff --git a/clients/modernsystem/modernsystem.desktop b/clients/modernsystem/modernsystem.desktop
index 5cf186d2ba..4a60a4a80a 100644
--- a/clients/modernsystem/modernsystem.desktop
+++ b/clients/modernsystem/modernsystem.desktop
@@ -57,6 +57,7 @@ Name[pt_BR]=Sistema moderno
 Name[ro]=Sistem modern
 Name[ru]=Современная система
 Name[se]=Áigeguovdilis vuogádat
+Name[si]=නවතම පද්ධති
 Name[sk]=Moderný systém
 Name[sl]=Moderni sistem
 Name[sr]=Модеран систем
diff --git a/clients/plastik/plastik.desktop b/clients/plastik/plastik.desktop
index b773599ee4..86e7666f27 100644
--- a/clients/plastik/plastik.desktop
+++ b/clients/plastik/plastik.desktop
@@ -28,6 +28,7 @@ Name[pa]=ਪਲਾਸਟਿਕ
 Name[ro]=Plastic
 Name[ru]=Пластик
 Name[se]=Plastihkka
+Name[si]=3
 Name[sr]=Пластика
 Name[sr@latin]=Plastika
 Name[ta]=திட்டம்
diff --git a/clients/quartz/quartz.desktop b/clients/quartz/quartz.desktop
index 981fddbd0d..9444f0df0b 100644
--- a/clients/quartz/quartz.desktop
+++ b/clients/quartz/quartz.desktop
@@ -27,6 +27,7 @@ Name[pl]=Kwarc
 Name[pt_BR]=Quartzo
 Name[ro]=Cuarț
 Name[ru]=Кварц
+Name[si]=3Quartz
 Name[sr]=Кварц
 Name[sr@latin]=Kvarc
 Name[ta]=குவார்ட்ஸ்
diff --git a/effects/_test/videorecord.desktop b/effects/_test/videorecord.desktop
index 2517f23f51..7f7fb937d3 100644
--- a/effects/_test/videorecord.desktop
+++ b/effects/_test/videorecord.desktop
@@ -54,6 +54,7 @@ Name[pt_BR]=Gravar vídeo
 Name[ro]=Înregistrare video
 Name[ru]=Запись видео
 Name[se]=Videobádden
+Name[si]=දෘශ්‍ය පටිගත කිරීම
 Name[sk]=Nahrávanie videa
 Name[sl]=Snemanje
 Name[sr]=Видео снимање
diff --git a/effects/_test/videorecord_config.desktop b/effects/_test/videorecord_config.desktop
index 8672ed821a..7cad83e490 100644
--- a/effects/_test/videorecord_config.desktop
+++ b/effects/_test/videorecord_config.desktop
@@ -61,6 +61,7 @@ Name[pt_BR]=Gravar vídeo
 Name[ro]=Înregistrare video
 Name[ru]=Запись видео
 Name[se]=Videobádden
+Name[si]=දෘශ්‍ය පටිගත කිරීම
 Name[sk]=Nahrávanie videa
 Name[sl]=Snemanje
 Name[sr]=Видео снимање
diff --git a/effects/fade/fade.desktop b/effects/fade/fade.desktop
index d90c48da3f..abf50bb3fc 100644
--- a/effects/fade/fade.desktop
+++ b/effects/fade/fade.desktop
@@ -52,6 +52,7 @@ Name[pt]=Desvanecer
 Name[ro]=Decolorare
 Name[ru]=Растворение
 Name[se]=Rievdat šearratvuođa
+Name[si]=විවර්ණ
 Name[sk]=Plynulé stratenie
 Name[sl]=Pojavljanje in pojemanje
 Name[sr]=Утапање
diff --git a/effects/fadedesktop/fadedesktop.desktop b/effects/fadedesktop/fadedesktop.desktop
index 46f5e0df25..1a53ff22bb 100644
--- a/effects/fadedesktop/fadedesktop.desktop
+++ b/effects/fadedesktop/fadedesktop.desktop
@@ -13,6 +13,7 @@ Name[nds]=Schriefdisch överblennen
 Name[nl]=Bureaublad vervagen
 Name[pt]=Desvanecer o Ecrã
 Name[pt_BR]=Desaparecimento da área de trabalho
+Name[si]=වැඩතලය විවර්ණ කිරීම
 Name[sv]=Tona skrivbord
 Name[tr]=Masaüstü Kaybolması
 Name[uk]=Затемнювати стільницю
diff --git a/effects/highlightwindow/highlightwindow.desktop b/effects/highlightwindow/highlightwindow.desktop
index 2d9c90a306..649bfe9662 100644
--- a/effects/highlightwindow/highlightwindow.desktop
+++ b/effects/highlightwindow/highlightwindow.desktop
@@ -8,6 +8,7 @@ Name[et]=Akna esiletõstmine
 Name[eu]=Leihoa nabarmendu
 Name[ga]=Aibhsigh Fuinneog
 Name[gl]=Realzar a fiestra
+Name[gu]=વિન્ડો પ્રકાશિત કરો
 Name[ja]=ウィンドウを強調表示
 Name[ko]=창 강조하기
 Name[nb]=Uthev vindu
diff --git a/effects/login/login.desktop b/effects/login/login.desktop
index 47a4436011..6756ba2c8a 100644
--- a/effects/login/login.desktop
+++ b/effects/login/login.desktop
@@ -57,6 +57,7 @@ Name[pt_BR]=Início de sessão
 Name[ro]=Autentificare
 Name[ru]=Вход в систему
 Name[se]=Sisačáliheapmi
+Name[si]=පිවිසුම
 Name[sk]=Prihlásenie
 Name[sl]=Prijava
 Name[sr]=Пријава
diff --git a/effects/logout/logout.desktop b/effects/logout/logout.desktop
index ddeea282d2..7c498794f4 100644
--- a/effects/logout/logout.desktop
+++ b/effects/logout/logout.desktop
@@ -58,6 +58,7 @@ Name[pt_BR]=Encerramento de sessão
 Name[ro]=Ieșire
 Name[ru]=Завершение сеанса
 Name[se]=Olggosčáliheapmi
+Name[si]=ඉවත් වන්න
 Name[sk]=Odhlásenie
 Name[sl]=Odjava
 Name[sr]=Одјава
diff --git a/effects/sheet/sheet.desktop b/effects/sheet/sheet.desktop
index 2f6b503a15..a6b4aec699 100644
--- a/effects/sheet/sheet.desktop
+++ b/effects/sheet/sheet.desktop
@@ -3,6 +3,7 @@ Name=Sheet
 Name[et]=Ärakerimine
 Name[ga]=Bileog
 Name[gl]=Folla
+Name[gu]=શીટ
 Name[ja]=シート
 Name[ko]=시트
 Name[nb]=Ark
@@ -11,7 +12,6 @@ Name[nl]=Werkblad
 Name[pt]=Folha
 Name[pt_BR]=Folha
 Name[ro]=Foaie
-Name[si]=කොලය
 Name[sv]=Blad
 Name[tr]=Biçimler
 Name[uk]=Аркуш
diff --git a/effects/snaphelper/snaphelper.desktop b/effects/snaphelper/snaphelper.desktop
index aa96461827..05e78d5244 100644
--- a/effects/snaphelper/snaphelper.desktop
+++ b/effects/snaphelper/snaphelper.desktop
@@ -4,6 +4,7 @@ Name[el]=Βοηθός αρπαγής
 Name[et]=Tõmbumise abiline
 Name[ga]=Uirlis Láraithe
 Name[gl]=Auxiliar para axuste
+Name[gu]=ચિત્રમાં મદદ કરનાર
 Name[ko]=자석 효과
 Name[nb]=Snap-hjelper
 Name[nds]=Snapphülp
diff --git a/effects/zoom/zoom.desktop b/effects/zoom/zoom.desktop
index 7cc7710d15..919f897fdd 100644
--- a/effects/zoom/zoom.desktop
+++ b/effects/zoom/zoom.desktop
@@ -47,6 +47,7 @@ Name[pt]=Ampliação
 Name[ro]=Panoramare
 Name[ru]=Масштаб
 Name[se]=Stuorrudit
+Name[si]=විශාලණය
 Name[sl]=Povečava
 Name[sr]=Увеличање
 Name[sr@latin]=Uveličanje
@@ -105,6 +106,7 @@ Comment[pt]=Ampliar o ecrã inteiro
 Comment[pt_BR]=Amplia a área de trabalho inteira
 Comment[ro]=Mărește întregul birou
 Comment[ru]=Изменение масштаба рабочего стола
+Comment[si]=මුලු වැඩතලයම වැඩතලය විශාලණය
 Comment[sk]=Zväčší celú plochu
 Comment[sl]=Poveča celotno namizje
 Comment[sr]=Увеличајте целу површ
diff --git a/effects/zoom/zoom_config.desktop b/effects/zoom/zoom_config.desktop
index aee18c0669..aec0024e1b 100644
--- a/effects/zoom/zoom_config.desktop
+++ b/effects/zoom/zoom_config.desktop
@@ -54,6 +54,7 @@ Name[pt]=Ampliação
 Name[ro]=Panoramare
 Name[ru]=Масштаб
 Name[se]=Stuorrudit
+Name[si]=විශාලණය
 Name[sl]=Povečava
 Name[sr]=Увеличање
 Name[sr@latin]=Uveličanje
diff --git a/kcmkwin/kwindecoration/kwindecoration.desktop b/kcmkwin/kwindecoration/kwindecoration.desktop
index 3498276d91..f4e5f71b21 100644
--- a/kcmkwin/kwindecoration/kwindecoration.desktop
+++ b/kcmkwin/kwindecoration/kwindecoration.desktop
@@ -67,6 +67,7 @@ Name[pt_BR]=Janelas
 Name[ro]=Ferestre
 Name[ru]=Окна
 Name[se]=Láset
+Name[si]=කවුළු
 Name[sk]=Okná
 Name[sl]=Okna
 Name[sr]=Прозори
diff --git a/kcmkwin/kwindesktop/desktop.desktop b/kcmkwin/kwindesktop/desktop.desktop
index 15c59bfbab..97827651d4 100644
--- a/kcmkwin/kwindesktop/desktop.desktop
+++ b/kcmkwin/kwindesktop/desktop.desktop
@@ -71,6 +71,7 @@ Name[pt_BR]=Múltiplas áreas de trabalho
 Name[ro]=Birouri multiple
 Name[ru]=Рабочие столы
 Name[se]=Máŋggaid čállinbeavddi
+Name[si]=බහු වැඩතල
 Name[sk]=Virtuálne pracovné plochy
 Name[sl]=Več namizij
 Name[sr]=Вишеструке површи
diff --git a/kcmkwin/kwinoptions/kwinactions.desktop b/kcmkwin/kwinoptions/kwinactions.desktop
index 45bf4cfc32..974363637f 100644
--- a/kcmkwin/kwinoptions/kwinactions.desktop
+++ b/kcmkwin/kwinoptions/kwinactions.desktop
@@ -70,6 +70,7 @@ Name[pt_BR]=Ações
 Name[ro]=Acțiuni
 Name[ru]=Действия
 Name[se]=Doaimmat
+Name[si]=ක්‍රියා
 Name[sk]=Akcie
 Name[sl]=Dejanja
 Name[sr]=Радње
diff --git a/kcmkwin/kwinoptions/kwinadvanced.desktop b/kcmkwin/kwinoptions/kwinadvanced.desktop
index 302895795a..712c400eea 100644
--- a/kcmkwin/kwinoptions/kwinadvanced.desktop
+++ b/kcmkwin/kwinoptions/kwinadvanced.desktop
@@ -70,6 +70,7 @@ Name[pt_BR]=Avançados
 Name[ro]=Avansat
 Name[ru]=Дополнительно
 Name[se]=Viiddiduvvon
+Name[si]=වැඩිමනත්
 Name[sk]=Pokročilé
 Name[sl]=Napredno
 Name[sr]=Напредно
diff --git a/kcmkwin/kwinoptions/kwinmoving.desktop b/kcmkwin/kwinoptions/kwinmoving.desktop
index 705f6f2007..9672595eca 100644
--- a/kcmkwin/kwinoptions/kwinmoving.desktop
+++ b/kcmkwin/kwinoptions/kwinmoving.desktop
@@ -70,6 +70,7 @@ Name[pt_BR]=Movendo
 Name[ro]=Mutare
 Name[ru]=Перемещение
 Name[se]=Lihkadeamen
+Name[si]=ගෙනයමින්
 Name[sk]=Presun
 Name[sl]=Premikanje
 Name[sr]=Померање
diff --git a/kcmkwin/kwinoptions/kwinoptions.desktop b/kcmkwin/kwinoptions/kwinoptions.desktop
index d3d12c0113..3d2fc79dab 100644
--- a/kcmkwin/kwinoptions/kwinoptions.desktop
+++ b/kcmkwin/kwinoptions/kwinoptions.desktop
@@ -73,6 +73,7 @@ Name[pt_BR]=Comportamento da janela
 Name[ro]=Comportament fereastră
 Name[ru]=Поведение окна
 Name[se]=Láseláhtten
+Name[si]=කවුළු හැසිරීම
 Name[sk]=Správanie okien
 Name[sl]=Obnašanje oken
 Name[sr]=Понашање прозора
diff --git a/kcmkwin/kwinscreenedges/kwinscreenedges.desktop b/kcmkwin/kwinscreenedges/kwinscreenedges.desktop
index 0e63c4c11a..987d5475a1 100644
--- a/kcmkwin/kwinscreenedges/kwinscreenedges.desktop
+++ b/kcmkwin/kwinscreenedges/kwinscreenedges.desktop
@@ -14,6 +14,7 @@ X-KDE-Weight=65
 Name=Screen Edges
 Name[et]=Ekraani servad
 Name[ga]=Ciumhaiseanna Scáileáin
+Name[gu]=સ્ક્રિનનાં ખૂણાઓ
 Name[ja]=スクリーンエッジ
 Name[ko]=화면 경계
 Name[nb]=Skjermkanter
diff --git a/kwin.notifyrc b/kwin.notifyrc
index 61aeb45e4a..decfe81bbe 100644
--- a/kwin.notifyrc
+++ b/kwin.notifyrc
@@ -60,6 +60,7 @@ Comment[pt_BR]=O gerenciador de janelas KDE
 Comment[ro]=Administratorul de ferestre KDE
 Comment[ru]=Диспетчер окон KDE
 Comment[se]=KDE-lásegieđahalli
+Comment[si]=KDE කවුළු කළමණාකරු
 Comment[sk]=Správca okien KDE
 Comment[sl]=Okenski upravitelj v KDE
 Comment[sr]=КДЕ‑ов менаџер прозора
@@ -3180,6 +3181,7 @@ Name[pt_BR]=Ativar janela
 Name[ro]=Activează fereastra
 Name[ru]=Активировано окно
 Name[se]=Aktiivalaš láse
+Name[si]=කවුළුව සක්‍රීය කරන්න
 Name[sk]=Akivovať okno
 Name[sl]=Aktiviraj okno
 Name[sr]=Активирај прозор
@@ -3412,6 +3414,7 @@ Comment[pt_BR]=Nova janela
 Comment[ro]=Fereastră nouă
 Comment[ru]=Новое окно
 Comment[se]=Ođđa láse
+Comment[si]=නව කවුළුව
 Comment[sk]=Nové okno
 Comment[sl]=Novo okno
 Comment[sr]=Нови прозор
@@ -3489,6 +3492,7 @@ Name[pt_BR]=Excluir janela
 Name[ro]=Șterge fereastra
 Name[ru]=Удаление окна
 Name[se]=Sihko láse
+Name[si]=කවුළුව මකන්න
 Name[sk]=Odstrániť okno
 Name[sl]=Izbriši okno
 Name[sr]=Обриши прозор
@@ -3565,6 +3569,7 @@ Comment[pt_BR]=Excluir janela
 Comment[ro]=Închide fereastra
 Comment[ru]=Удаление окна
 Comment[se]=Sihko láse
+Comment[si]=කවුළුව මකන්න
 Comment[sk]=Odstrániť okno
 Comment[sl]=Izbriši okno
 Comment[sr]=Обриши прозор
@@ -3640,6 +3645,7 @@ Name[pt_BR]=Fechar janela
 Name[ro]=Închidere fereastră
 Name[ru]=Закрытие окна
 Name[se]=Gidde láse
+Name[si]=කවුළුව වසන්න
 Name[sk]=Zatvoriť okno
 Name[sl]=Zapri okno
 Name[sr]=Затварање прозора
@@ -3716,6 +3722,7 @@ Comment[pt_BR]=Uma janela fecha
 Comment[ro]=A fost închisă o fereastră
 Comment[ru]=Закрытие окна
 Comment[se]=Láse giddejuvvui
+Comment[si]=කවුළුවක් වැසුවා
 Comment[sk]=Okno sa uzavrie
 Comment[sl]=Okno se zapre
 Comment[sr]=Прозор је затворен