Arusei is a surname of Kenyan origin that may refer to:
Moses Kimeli Arusei (born 1983), Kenyan marathon runner and 2006 Seoul International Marathon winner Peninah Arusei (born 1979), Kenyan long-distance track and road runner Simon Arusei (born 1977), Kenyan long-distance track and cross country runner Stephen Kipkorir (1970–2008), Kenyan middle-distance runner and Olympic medallist