René Emile Henri Boudreaux (27 November 1880 – 8 September 1915) was a French rugby union player.

Boudreaux was born in Paris and played as a prop forward for Sporting Club Universitaire de France [fr].

He made his first appearance at Swansea against Wales on New Year's Day and his second and last against Scotland at Inverleith on 22 January.

[5] He trialled for the national team in the following season, playing on the side of the Possibles against the Probables on 18 December 1910.

[7] He was selected to represent Paris in the match against London on 12 March, replacing Cadenat, who was unavailable to play.