Serikzhan Urstemuly Muzhikov (; born 17 June 1989) is a Kazakhstan international football player who plays for Elimai in the Kazakhstan Premier League.
Muzhikov began his career in 2006 with FC Koksu. He has been playing for FC Zhetysu since 2008.
In July 2015, Muzhikov returned to FC Astana, signing an eighteen-month contract. On 6 January 2020, Muzhikov left Astana at the end of his contract. On 22 January 2020, FC Tobol announced the signing of Muzhikov on a one-year contract.
Statistics accurate as of match played 17 April 2023