Kemei is a name of Kenyan origin meaning dry season in Kalenjin that may refer to:
William Kemei (born 1969), Kenyan middle-distance runner and 1991 All-Africa Games champion Philemon Kemei Cheruiyot (born 1982), Kenyan long-distance runner and 2004 Lisbon Marathon winner
See also Kipkemei, related Kenyan name meaning "son of Kemei"