Erik Sebastian Collberg (born February 23, 1994) is a Swedish professional ice hockey right winger who is an unrestricted free agent.

Collberg practiced figure skating before starting to play youth hockey for his hometown team Mariestad BoIS HC.

[2][3][4][5] After having been spotted by a Canadian coach Collberg was invited to travel to Toronto for a summer tournament together with Canada's best 14 year old players.

[8] In the spring he joined Västergötland's 1993-team again in Rikspucken, a one-time tournament for junior players who became too old for TV-pucken when the Swedish Ice Hockey Association lowered the maximum age from 16 to 15.

[9] As an under age player, Collberg tied sixth in scoring with seven goals, eleven points, in nine games,[10] as Västergötland finished eight in the tournament.

Frölunda finished third in the south division and qualified for J18 Allsvenskan, where Collberg played five games, scoring seven goals, ten points.

[38] Frölunda acquired Matt Duchene and Viktor Stålberg during the 2012–13 NHL lockout to replace injured players,[39] and after Collberg only having recorded two assists in 16 games to start the season, and struggling with getting ice time, Collberg was loaned to Örebro HK in the second tier HockeyAllsvenskan on October 23, 2012.

He was then, prior to the 2013 World Junior Ice Hockey Championships, loaned for one game to his hometown team Mariestad, scoring one goal and one assist in a 5–4 win over Vimmerby HC,[42] helping Mariestad secure a spot in the continuation series AllEttan Södra for the remainder of the season.

[46][47] After having picked up an assist against Brynäs IF on January 22, Collberg for the third game in a row scored the game-winning goal in a shootout.

[51] Collberg collected his first playoff point whit an assisted to Fabian Brunnström in a 2–0 win in game two against Luleå HF in the quarterfinals,[52] and his second point when he assisted Mathis Olimb on Fröllunda's 4–3 overtime winning goal 14:58 into the second overtime period of game four, which tied the best of seven series at 2–2.

Collberg finished the season with the Montreal Canadiens' American Hockey League (AHL) affiliate the Hamilton Bulldogs on a try-out,[56] playing two games without ending up on the score sheet.

[59] He attended the Canadiens' main training camp, playing three pre-season games he recorded one assist, before returning to Frölunda.

On March 5, 2014, the Montreal Canadiens traded Collberg and a conditional 2nd round pick in the 2014 NHL Entry Draft to the New York Islanders in exchange for left winger Thomas Vanek and a conditional 5th round pick in the 2014 NHL Entry Draft.

[63] After having a shoulder surgery during the summer Collberg joined the New York Islanders in hopes of making their NHL roster,[64] during the pre-season he scored a goal in his first game, a 3–2 overtime win against the Ottawa Senators on September 22, 2014.

[65] Collberg started the 2014–15 season with the Islanders AHL affiliate the Bridgeport Sound Tigers, he scored one goal and one assist in his first three games before suffering a groin injury on October 25,[66] which kept him out of play until November 21.

"[68] Returning from his injury Collberg struggled offensively, and after not having produced any points for seven straight games he was sent down to the Stockton Thunder of the East Coast Hockey League (ECHL) on December 3.

[77] After having scored an empty net goal on December 6,[78] Collberg had trouble keeping a spot on the roster after Christmas,[79] and from January 16 he only played in 13 of Bridgeport's last 36 games of the regular season.

[79] On May 13, 2016, the New York Islanders placed Collberg on unconditional waivers in order to terminate the final year of his contract.

[81] With Rögle's general manager Anders Carlsson stating that they recruited him as their sniper, hoping they could get Collberg to reach his potential from juniors at the senior level.

[82] Collberg choose Rögle who were newcomers in the SHL the season prior, hoping to get a more offensive role than he could get with his former team Frölunda,[83] who were reigning Swedish Champions, and have a similar career resurrection as his former teammates from the national junior team Patrick Cehlin and Sebastian Wännström who choose Rögle the season before.

Rögle won the best of seven series against their opponent BIK Karlskoga from HockeyAllsvenskan in four games and qualified for the SHL the following season, with Collberg scoring one goal and two assists.

[91] For the 2019–20 season Collberg signed a one-year contract with Austrian club Graz 99ers of the Erste Bank Eishockey Liga (EBEL).

[94] During the regular season Collberg scored 13 goals and 22 assists for a total of 35 points in 39 games, as Frankfurt finished fifth in the league.

[102] During the 2010–11 season Collberg played six games with the under 17 national team, leading all players in scoring with six goals and five assist for eleven points.

[103] Collberg also made five appearances with Sweden men's national under-18 ice hockey team, registering one assist.

He was selected to represent Sweden at the 2011 IIHF World U18 Championships, but was injured in his hand during a pre-tournament friendly game against Canada, after having blocked a shot and he was unable to play in the tournament.

[105] Collberg lead team Sweden in scoring with three goals and four assist in five games,[106] and tied for sixth overall in the tournament together with Alexander Barkov.

Collberg lead team Sweden in scoring with four goals and five assist in six game, which was tied fifth overall in the tournament together with Nic Kerdiles.

[113] At the 2013 World Junior Ice Hockey Championships, Collberg had a three-game scoring streak to start the tournament,[114] Sweden won their group and qualified for the semifinal where they faced hosting nation Russia.