| Honorific-Prefix: | Hon. |
| Prasanna Ranatunga | |
| Native Name: | ප්රසන්න රණතුංග பிரசன்ன ரணதுங்கா |
| Constituency Mp6: | Gampaha District |
| Parliament6: | Sri Lanka |
| Term Start6: | 1 September 2015 |
| Term End6: | 24 September 2024 |
| Office: | Minister of Urban Development and Housing |
| Term Start: | 14 May 2022 |
| Term End: | 23 September 2024 |
| President: | Gotabaya Rajapaksa Ranil Wickramasinghe |
| Primeminister: | Ranil Wickramasinghe Dinesh Gunawardena |
| Predecessor: | Mahinda Rajapaksa |
| Office2: | Chief Government Whip |
| President2: | Gotabaya Rajapaksa Ranil Wickramasinghe |
| Term Start2: | 18 April 2022 |
| Term End2: | 24 September 2024 |
| Predecessor2: | Johnston Fernando |
| Successor2: | Nalinda Jayatissa |
| Office3: | Minister of Public Security |
| President3: | Gotabaya Rajapaksa |
| Primeminister3: | Mahinda Rajapaksa |
| Term Start3: | 18 April 2022 |
| Term End3: | 9 May 2022 |
| Predecessor3: | Sarath Weerasekara |
| Successor3: | Tiran Alles |
| Term Start4: | 12 August 2020 |
| Term End4: | 9 May 2022 |
| President4: | Gotabaya Rajapaksa |
| Primeminister4: | Mahinda Rajapaksa |
| Predecessor4: | John Amaratunga |
| Successor4: | Harin Fernando |
| Order5: | 7th |
| Office5: | Chief Minister of Western Province |
| Term Start5: | 4 May 2009 |
| Term End5: | 1 September 2015 |
| Predecessor5: | Reginald Cooray |
| Successor5: | Isura Devapriya |
| Birth Date: | 1 January 1967 |
| Birth Place: | Sri Lanka |
| Party: | Sri Lanka Podujana Peramuna |
| Spouse: | Maureen |
| Relations: | Reggie (father) Arjuna (brother) Nishantha (brother) Dammika (brother) Sanjeeva (brother) Ruwan (brother) |
| Children: | Archana, Pavithra, Udara |
| Alma Mater: | Asoka College/ Ananda College |
Prasanna Ranatunga (born 1 January 1967) is a Sri Lankan politician, former member of parliament, a former Minister of Urban Development and Housing. He was also appointed as the Chief Government Whip on 18 April 2022.[1] [2] He was the 7th Chief Minister of Western Province, Sri Lanka.
He belongs to the Sri Lanka Podujana Peramuna and is part of the Sri Lanka People's Freedom Alliance.[3] He is the brother of former Sri Lanka cricket captain Arjuna Ranatunga.[4] [5] [6] [7] Ranatunga entered parliament in 2015 from Gampaha District as an opposition member. Ranatunga received a vote count of 384,448 in the 2015 parliamentary elections.
On 6 June 2022, he was sentenced to two years of rigorous imprisonment suspended for five years, after he was found guilty of threatening a businessman from whom he solicited a bribe of Rs. 64 million to evict unauthorised occupants of a parcel of land.[8]