| Official Name: | Kolonnawa Divisional Secretariat |
| Settlement Type: | Divisional Secretariat |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: | Sri Lanka |
| Subdivision Name1: | Western Province |
| Subdivision Type2: | District |
| Subdivision Name2: | Colombo District |
| Unit Pref: | Imperial |
| Timezone: | Sri Lanka Standard Time |
| Utc Offset: | +5:30 |
Kolonnawa Divisional Secretariat is a Divisional Secretariat of Colombo District, of Western Province, Sri Lanka.
and it has following Grama Niladhari divisions
| 501 Mulleriyawa North | |
| 501 Ambathale A | |
| 502 Udumulla North | |
| 502 Udumulla South | |
| 502 Maligagodella B | |
| 502 Rajasinhagama C | |
| 503 Himbutana West | |
| 503 Mulleriyawa South A | |
| 503 Himbutana East B | |
| 503 Malgama C | |
| 504 Kelanimulla | |
| 504 Belagama A | |
| 505 Malpura A | |
| 505 Kotikawatta East | |
| 505 Gothatuwa New Town B | |
| 505 Kotikawatta West C | |
| 505 Dombagahahena D | |
| 506 Mahabuthgamuwa | |
| 506 Kudabuthgamuwa A | |
| 506 Batalandahena B | |
| 506 C Mahabuthgamuwa B | |
| 506 D Mahabuthgamuwa C | |
| 507 Vennawatta | |
| 508 Kittampahuwa | |
| 508 Welewatte A | |
| 509 Kotuvila | |
| 509 Sedawatte A | |
| 509 Weheragoda B | |
| 509 Halmulla C | |
| 509 Wadulla D | |
| 510 Meethotamulla | |
| 510 Orugodawatte A | |
| 510 Kuruniyawatte B | |
| 511 Wellampitiya | |
| 511 Dahampura A | |
| 512 Kolonnawa | |
| 512 Salamulla A | |
| 512 Sinhapura B | |
| 512 Gajabapura C | |
| 512 Vijayapura D | |
| 513 Gothatuwa | |
| 513 Megodakolonnawa A | |
| 513 Madinnagoda B | |
| 513 Kajugahawatte C | |
| 513 Bopetta D | |
| 513 Elhena E |