|Date of birth||July 9, 1994|
|Place of birth||Victoria, British Columbia, Canada|
|Height||1.93 m (6 ft 4 in)|
|Colorado Springs Switchbacks|
|2007–2010||Victoria United Metro|
|2010–2013||Vancouver Whitecaps FC|
|2013–2015||UNC Wilmington Seahawks||43||(0)|
|2013||Vancouver Whitecaps FC U-23||7||(0)|
|2016–2017||Whitecaps FC 2||21||(0)|
|2018–2019||Vancouver Whitecaps FC||0||(0)|
|2020–||Colorado Springs Switchbacks||1||(0)|
* Senior club appearances and goals counted for the domestic league only and correct as of March 7, 2020|
‡ National team caps and goals correct as of January 22, 2017
College and Amateur
Melvin played for three seasons with the UNC Wilmington Seahawks from 2013–2015. While at UNC Wilmington, Melvin played in 2013–2014 with the Vancouver Whitecaps FC U-23 side in the Premier Development League, starting a total of seven games. In 2015, Melvin was loaned to Calgary Foothills FC in the USL PDL, where he became the No. 1 starter until returning to UNC Wilmington for their 2015 season.
Whitecaps FC 2
Melvin signed his first professional contract with Whitecaps FC 2 of the United Soccer League in February 2016. In the 2016 season, Melvin shared the net with fellow WFC 2 keepers Marco Carducci and Spencer Richey. In December 2016, Whitecaps FC 2 announced that Melvin would return to the club for the 2017 season. In May 2017, Melvin was named to the Whitecaps roster for the 2017 Canadian Championship on a short term contract. He spent two seasons with Whitecaps FC 2 before the club ceased operations after the 2017 season.
Vancouver Whitecaps FC
In April 2018, Melvin signed a first team contract with Vancouver Whitecaps FC for the 2018 season, including options through the 2021 season. Melvin was released by Vancouver at the end of the 2019 season.
Colorado Springs Switchbacks
In January 2015, Melvin received his first call up to the Canadian men's national team for a pair of friendlies against Iceland. Melvin did not see any action in the friendlies. In January 2017, Melvin received his second call up for a national team camp prior to a friendly against Bermuda. Melvin made his national team debut in the match, coming on at half time, but was injured shortly after coming on, requiring centre back Adam Straith to replace him in goal.
- "Sean Melvin profile". UNC Wilmington Seahawks Soccer. Retrieved July 29, 2016.
- Jeff MacKinnon (May 14, 2015). "Towering Whitecaps goalie loaned to Foothills U23s for start of inaugural PDL campaign". Calgary Herald.
- "Whitecaps FC add Residency graduate goalkeeper Sean Melvin to WFC2 roster". Vancouver Whitecaps. February 19, 2016.
- "WFC2 Goalkeepers' Union: Melvin, Carducci, Richey push each other to the next level". Vancouver Whitecaps. July 28, 2016.
- Whitecaps FC 2 (December 20, 2016). "Whitecaps FC 2 re-sign Sem de Wit and Will Seymore, announce roster update". Whitecaps FC 2.
- "Whitecaps FC name 23-man roster for Tuesday's Canadian Championship semifinal". Vancouver Whitecaps FC. May 23, 2017.
- Michael McColl (October 14, 2017). "California Dreaming: Goodbye WFC2, hello new beginnings – the ins and outs of the Whitecaps/Fresno partnership". AFTN Canada.
- "Whitecaps FC assign three players to USL affiliate Fresno FC". Vancouver Whitecaps. December 7, 2017.
- "Whitecaps FC sign goalkeeper Sean Melvin to MLS Homegrown contract". Vancouver Whitecaps. April 2, 2018.
- "Clear plan for Canada MNT ahead of Iceland friendlie". Canada Soccer. January 9, 2015.
- Canada Soccer (January 10, 2017). "Canada Soccer announces January squad for Men's National Team training camp". Canada Soccer.
- "Canada wins 4:2 over Bermuda to kick off 2017 campaign". Canada Soccer Association. January 22, 2017.
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