Sister Christine Frost MBE (born 1937 in Limerick, Ireland) is a religious sister working and living in Poplar, London. She was awarded the MBE for her work in deprived areas of Tower Hamlets in the shadow of Canary Wharf, where she has been campaigning since the 1980s. She launched the charity Neighbours in Poplar in 1968, to help older adults meet up and enjoy outings, and later South Poplar and Limehouse Action for Secure Housing (SPLASH), showing similar concern for teenagers. She is known locally for distributing Christmas meals to elderly and lonely people.