Ariel Borysiuk (; born 29 July 1991) is a Polish professional footballer who plays as a defensive midfielder for regional league club Orzeà  Baniocha. He earned twelve caps with the Poland national team.
Born in Biaà Âa Podlaska, Borysiuk made his debut in Ekstraklasa on 23 February 2007 at the age of 16 years and 213 days, becoming the second youngest footballer ever to play for Legia. He is also Legia's youngest ever goalscorer, notching his first goal for the club at the age of 16 years and 265 days on 19 April 2008, in a 0âÂÂ2 away win over Odra Wodzisà Âaw . This goal at the time made him the second youngest player to score a goal in Ekstraklasa with only Wà Âodzimierz Lubaà Âski being younger when he scored.
On the last day of the 2011âÂÂ12 winter transfer window, Borysiuk transferred to 1. FC Kaiserslautern. He was sent off on his debut for Kaiserslautern against 1. FC Köln for receiving two yellow cards, which came in the 35th and 40th minute. Kaiserslautern eventually lost the game 1âÂÂ0.
On 19 January 2014, Boriysiuk joined Russian side Volga on loan for the remainder of the season. On 10 March 2014, Boriysiuk made his Volga debut in a 5âÂÂ1 away defeat to Amkar Perm, in which he replaced Artur Sarkisov inside only twenty-three minutes. After only appearing four times for Volga, Boriysiuk returned to 1. FC Kaiserslautern at the end of the campaign.
On 14 July 2014, it was announced that Borysiuk had joined Polish club Lechia Gdaà Âsk on loan for the 2014âÂÂ15 Ekstraklasa. On 19 July 2014, Borysiuk made his Lechia Gdaà Âsk debut in a 2âÂÂ2 draw against Jagiellonia Biaà Âystok, in which he played the full 90 minutes. Although, he failed to score once in his loan spell at Lechia Gdaà Âsk, Borysiuk managed to feature in every Ekstraklasa fixture for the 2014/15 campaign.
On 26 July 2015, after an impressive debut season at Lechia Gdaà Âsk, Borysiuk made his stay permanent. On 28 August 2015, Borysiuk scored his first goal for Lechia Gdaà Âsk in a 1âÂÂ1 draw with Podbeskidzie.
On 11 January 2016, Borysiuk re-joined Legia Warsaw after an impressive spell at Lechia Gdaà Âsk. On 21 February 2016, Borysiuk made his comeback for Legia Warsaw in a 2âÂÂ1 victory over Zagà ÂÃÂbie Lubin, in which he replaced Stojan Vranjeà ¡ in the 32nd minute.
On 22 June 2016, after only featuring thirteen times for Legia Warsaw, it was announced that Borysiuk would join English side Queens Park Rangers on a three-year deal. After featuring in 10 league games, Borysiuk was allowed to go on loan in January 2017, returning to Poland to play for Lechia Gdaà Âsk, who he been on loan with a few years earlier.
On 26 January 2018 Borysiuk moved to back to Lechia Gdaà Âsk after his unsuccessful spell in English football. Initially after joining, Borysiuk was back in the Lechia team, playing 12 of the team's final 18 games of the season helping the team to avoid relegation. With the introduction of Piotr Stokowiec as the Lechia manager he found himself out of the starting eleven, and sometimes even seen as just a reserve. After the good start Lechia made in the 2018-19 season, they found themselves top of the league after 19 games and going into the winter break. During this time Borysiuk had only managed to make 5 appearances, playing an average of only 30 minutes in each of those games. Due to his lack of first team football Borysiuk moved to Wisà Âa Pà Âock on loan. While on loan for Wisà Âa he played 12 games for the second half of the season scoring two goals. With Lechia winning the Polish Cup at the end of the season and finishing in a record equaling 3rd place Borysiuk knew that chances would be limited in the squad for him. The club agreed to a contract termination on 3 July 2019, meaning he was able to join his next club on a free transfer.
On 29 July 2019, Borysiuk signed for Sheriff Tiraspol.
On 10 August 2021, Borysiuk joined Indian Super League side Chennaiyin on a one-year deal.
On 26 July 2022, he signed a two-year contract with Albanian Kategoria Superiore club KF Laçi.
On 17 June 2023, Borysiuk signed a one-year deal with an extension option with II liga club Chojniczanka Chojnice. After making nine appearances across all competitions, he left the club by mutual consent on 5 December that year.
On 16 January 2024, Borysiuk joined IV liga outfit Hutnik Warsaw. He left the club at the end of the season.
On 11 October 2024, he announced his retirement from professional football.
On 8 March 2025, Borysiuk returned to football five months after announcing his retirement and joined seventh-tier club Orzeà  Baniocha.
Before being capped for the senior team, Borysiuk also represented Poland at U21 level, having made his first appearance on 5 June 2009 against Sweden.
Legia Warsaw
Sheriff Tiraspol