Molly Chacko (born 15 May 1969) is an Indian middle distance runner from Kerala. She holds the current 3000 metres National record of 9:06.42 set on 10 October 1994 during the Hiroshima Asian Games. Molly is also a former National record holder in the 1500 metres. She set the 1500 m record in 1994 with a run of 4:12.01. This record was later broken by Sunita Rani in August 1999. Molly is married to former Indian swimmer Sebastian Xavier and the couple is working with Southern Railways.