Joseph Alexandre "Patsy" Séguin (May 2, 1887 – August 8, 1918) was a Canadian professional ice hockey player.

He played two games with the Montreal Canadiens of the National Hockey Association in the inaugural 1910 season, and scored one goal for the club.

[1][2] He was killed in action while serving in World War I in the Battle of Amiens.

[3] Séguin was a small player in stature who liked to play rough and mix it up with his opponents on the ice.

[5] Dey himself died the following month on February 13 from chest injuries thought to have stemmed partly from his tussle with Séguin.