Boris Mahon de Monaghan (born 11 February 1986) is a French professional footballer who plays for Championnat National 3 club Albères Argelès.

[1] Mahon de Monaghan has played at the professional level in Ligue 2 for Sedan, Créteil, and Gazélec Ajaccio.

He is the record appearance holder for Créteil.

He was briefly overtaken for most appearances by teammate Vincent Di Bartoloméo.

This biographical article related to association football in France, about a defender born in the 1980s, is a stub.