Ngeny or Ng'eny is a Kenyan surname. Notable people with the name include:
Elias Ngeny (born 1996), Kenyan middle-distance runner Kimurgor Ngeny (born 1951), Kenyan long-distance runner Kipng'eno Arap Ng'eny (1937–2014), Kenyan politician and telecommunications executive Noah Ngeny (born 1978), Kenyan middle-distance runner