Ollur Assembly constituency
Ollur State assembly constituency is one of the 140 state legislative assembly constituencies in Kerala. It is also one of the seven state legislative assembly constituencies included in Thrissur [Lok Sabha constituency]. As of the 2021 [Kerala Legislative Assembly election|2021 Assembly elections], the current MLA is K. Rajan of CPI.
Ollur was a citadel of Indian National Congress for a long time, yet occasionally it had gone to Communist Party of India. The constituency has 1,00,750 male and 1,07,128 female voters. Ollur has been a bellwether constituency since 1982. Every MLA since 1982 has been part of the ruling party or alliance in Kerala.
Local self-governed segments
Ollur Assembly constituency is composed of the following 14 wards of the Thrissur Municipal Corporation, and four Gram Panchayats in Thrissur taluk:| Ward no. | Name | Ward no. | Name | Ward no. | Name |
| 17 | Mullakkara | 18 | Mannuthy | 24 | Valarkavu |
| 25 | Kuriachira | 26 | Ancheri | 28 | Patavarad |
| 29 | Edakkunni | 30 | Thaikkattussery | 31 | Ollur |
| 32 | Chiyyaram South | 41 | Koorkenchery | 42 | Kanimangalam |
| 43 | Panamukku | 44 | Nedupuzha |