Osborne Monday (born 24 June 1985) is a Kenyan football coach and former player who is manager of Muranga Seal.
Born in Nairobi, Monday played as a midfielder for Mathare United, Al-Shabab, Tusker, Azam, Sofapaka, Kariobangi Sharks, Posta Rangers and Kakamega Homeboyz.
He made his international debut for Kenya in 2007, scoring once in 27 appearances.
As of January 2026 he was manager of Muranga Seal.