Alexandre Flanquart (born 9 October 1989) is a former French rugby union player.

He played as a lock for Stade Français, Bordeaux Bègles, and Provence Rugby.

Even though he signed with Stade Français in 2008, he didn't receive his first appearance until 2009, where he came off the bench on the 74th minute against Bourgoin.

His form for his club saw him called up to the French national side for the 2013 France rugby union tour of New Zealand.

He earned his first cap on the 8 June, coming off the bench for Yoann Maestri on the 70th minute.