| Honorific-Prefix: | Hon. |
| S. M. Marikkar | |
| Native Name: | එස්. එම්. මරික්කාර් சைதுல்லா மரிக்கார் |
| Honorific-Suffix: | MP |
| Constituency Mp: | Colombo District |
| Term Start: | 2015 |
| Birth Name: | Saidulla Musthajab Marikkar |
| Birth Date: | 1977 1, df=yes |
| Party: | Samagi Jana Balawegaya (since 2020) |
| Otherparty: | United National Party (before 2020) |
| Occupation: | Journalist |
Saidulla Musthajab Marikkar, commonly known as S. M. Marikkar, (born 12 January 1977) is a Sri Lankan politician and current member of Parliament for the Colombo District. He previously served as a provincial councilor for the Western Province.[1] [2] [3] Marikkar was an electorate organiser for Kolonnawa in the 2015 presidential campaign of NDF candidate Maithripala Sirisena.[4]