Seamus Thomas Harris O'Regan PC MP (born January 18, 1971) is a Canadian politician who has been the federal minister of labour since October 26, 2021, and minister of seniors since July 26, 2023. A member of the Liberal Party, O'Regan was elected to the House of Commons in 2015, representing St. John's South—Mount Pearl. He has been in Cabinet since 2017, previously serving as minister of natural resources from 2019 to 2021, minister of Indigenous services in 2019, and minister of veterans affairs and associate minister of national defence from 2017 to 2019. Before he entered politics, O'Regan was a correspondent with CTV National News, and a host of Canada AM, which he co-hosted from 2003 to 2011 with Beverly Thomson.^[2]

O'Regan was born in St. John's, Newfoundland, and spent 14 years growing up in Goose Bay, graduating from Goose High School. O'Regan is of half Irish descent. His father, also named Seamus O'Regan, was a judge of the Supreme Court of Newfoundland and Labrador.^[3] At the age of 10, O'Regan became a regional correspondent for CBC Radio's Anybody Home?, producing stories that celebrated the unique accomplishments of local residents, ranging from a professor hunting for giant squid to one woman's fight against leukemia.

He studied politics at St. Francis Xavier University in Antigonish, Nova Scotia, and at University College Dublin in Dublin, Ireland. He studied marketing strategies at INSEAD, an international business school near Paris, France. He received his Masters of Philosophy in Politics from the University of Cambridge, studying at Darwin College in Cambridge, England.^[4][5]

He has worked as an assistant to Environment Minister Jean Charest in Ottawa and to Justice Minister Edward Roberts in St. John's, and was policy advisor and speechwriter to Premier Brian Tobin of Newfoundland and Labrador.^[6] In December 1999, O'Regan was named as one of Maclean's 100 Young Canadians to Watch in the 21st century.^[2]

In 2000, O'Regan joined talktv's current affairs program, the chatroom. He began his duties at Canada AM on December 19, 2001. On November 8, 2011, he announced that he would be leaving Canada AM on November 24, 2011, to become a correspondent for CTV National News.^[2] O'Regan left CTV in 2012.^[7] Since leaving CTV, he was occasionally a fill-in host on radio station CFRB in Toronto, ⁣^[8] and worked on independent television productions and as a media innovator in residence at Ryerson University.^[8][9] O'Regan also served as the executive vice president for communications of the Stronach Group.^[9]

In September 2014, O'Regan was nominated as the Liberal Party candidate in the Newfoundland and Labrador riding of St. John's South—Mount Pearl for the 2015 federal election.^[10] On October 19, 2015, O'Regan won the election, defeating New Democrat incumbent Ryan Cleary.^[11][12] He was appointed to the cabinet on August 28, 2017, as the minister of veterans affairs^[13] and on January 14, 2019, was made the minister of Indigenous services, vacating his previous post.

He was re-elected in the 2019 federal election. Following the election, he was appointed minister of natural resources. He was re-elected again in the 2021 federal election.^[14]

O’Regan has been serving as minister of labour since 2021 and expanded his portfolio to also include minister of seniors during the 2023 cabinet shuffle.^[15] As the labour minister, O’Regan was involved in the BC port workers strike between International Longshore and Warehouse Union Canada and the BC Maritime Employers Association, which included a 13 day work stoppage in the summer of 2023.^[16][17][18]

On July 9, 2010, O'Regan married his longtime partner, Steve Doussis, in Newfoundland.^[19]

O'Regan serves on the Boards of Katimavik, Canada's leading youth service-learning programme, and The Rooms, which houses the provincial art gallery, museum, and archives of Newfoundland and Labrador. He also sits on the board of directors for fellow Newfoundlander Allan Hawco's theatre company, The Company Theatre, located in Toronto.

In January 2016, O’Regan announced that he entered an alcoholism rehabilitation programme.^[20][21]

In November 2017, he was hospitalised in Ottawa for a major gastrointestinal obstruction.^[22]

Shortly after the November 2020 death of his father Seamus Bernard O'Regan (1942–2020), Natural Resources Canada announcements began to give his name as Seamus O'Regan Jr.; previous announcements did not use the "Jr." suffix.^[23][24][25]