| Honorific-Prefix: | Hon. |
| Hasen Ali | |
| Honorific-Suffix: | MP |
| Term Start: | 2003 |
| Constituency Mp2: | National List |
| Parliament2: | Sri Lanka |
| Term Start2: | 2008 |
| Term End2: | 2015 |
| Term Start3: | 2004 |
| Term End3: | 2008 |
| Office4: | Member, Eastern Provincial Council |
| Term Start4: | 2008 |
| Term End4: | 2008 |
| Birth Date: | 18 May 1945 |
| Birth Place: | Sri Lanka |
| Nationality: | Sri Lankan |
| Party: | Sri Lanka Muslim Congress |
| Otherparty: | United National Front |
| Residence: | No. 30, Beach Road, Mount Lavinia, Sri Lanka |
| Profession: | Engineer |
Mohammed Thambi Hasen Ali (Hasan Ali) is a Sri Lankan politician and a member of the Parliament of Sri Lanka.
In January 2003 Ali was elected secretary general of the Sri Lanka Muslim Congress (SLMC).[1]
Ali was appointed as the SLMC's National List MP in the Sri Lankan Parliament in April 2004. He resigned from Parliament in April 2008 to contest the Eastern Provincial Council elections.[2] He was subsequently elected to EPC from Ampara district but resigned in July 2008.[3] He was then reappointed as SLMC's National List MP.
Ali was appointed a United National Front National List MP in April 2010.