| Maureen Stewart | |
| Sport: | Middle-distance running |
| Event: | 800 metres |
| Birth Date: | 30 March 1965 |
| Birth Place: | San José, Costa Rica |
| Death Place: | Anguilla |
Maureen Stewart (30 March 1965 - 16 September 1994) was a Costa Rican middle-distance runner. She competed in the women's 800 metres at the 1988 Summer Olympics.[1]
She died in Anguilla of cardiac arrest in 1994, aged 29.[2]
Her sister, Zoila Stewart, is a retired Olympic sprinter who represented Costa Rica at the 1992 and 1996 Olympic Games.