Olivia Allison (b. February 13, 1990 in Plymouth[1] ) is a British synchronized swimmer.
Her most notable achievements to date are winning four consecutive gold medals at the British Synchronized Swimming Championships from 2004 to 2007.[1] She has competed at numerous European and World Championships and at the 2008 Beijing Olympics where she finished in 14th position in the duet event.[2] Following the recent 2011 World Championships in Shanghai, in which she participated with Jenna Randall[3] who has been her partner since before the 2006 Commonwealth Games,[4] she is currently ranked 8th in the duet. Olivia won the silver medal in the duet competition at the 2010 Delhi Commonwealth Games. Olivia married Roberto Federici on 28 July 2011 in St.Albans.