Riley Michael Sheahan (born December 7, 1991) is a Canadian former professional ice hockey centre, who played in the National Hockey League (NHL) for the Red Wings, Pittsburgh Penguins, Florida Panthers, Edmonton Oilers, Buffalo Sabres and Seattle Kraken, as well as for EHC Biel of the National League (NL).

[5] Sheahan was a shooting guard for St. Francis Catholic Secondary School until ninth grade, when he decided that he would rather focus on ice hockey than basketball.

[10] On January 11, 2014, Sheahan scored his first career NHL goal, against Jonathan Quick of the Los Angeles Kings.

On December 29, 2020, Sheahan signed a professional tryout contract with the Buffalo Sabres to attend their training camp.

As a free agent from the Sabres, Sheahan was signed to a one-year, $850,000 contract with expansion club the Seattle Kraken on September 1, 2021.

He appeared in 69 regular season games, used as the team's primary penalty killer, in collecting 4 goals and 13 assists for 17 points.

[30] In 2021, Sheahan and fellow hockey player Tyler Smith started the Speak Your Mind podcast to address mental health issues in and out of professional sports.

[32] On October 29, 2012, Sheahan was stopped by police in Grand Rapids, Michigan, after which a roadside test determined he was driving with a blood-alcohol level of 0.30, nearly four times the legal limit.

Sheahan was wearing a purple Teletubby costume and was carrying the ID of fellow Red Wings' prospect Brendan Smith when arrested.

[33] Sheahan pleaded guilty in Michigan's 61st District Court on December 13, 2012, to operating a car with a blood-alcohol level of 0.17 or higher.