Indykpol AZS Olsztyn – men's volleyball team playing in the Polish Volleyball League (PLS, Polska Liga Siatkówki), five time Polish champions
Stomil Olsztyn – men's football team, playing in the I liga (second tier).
It played in the Ekstraklasa, the country's top flight, from 1994 to 2002.

Warmia Olsztyn – men's handball team playing in the I liga (second tier).
It played in the Superliga, the country's top flight, most recently from 2005 to 2012.

Warmia Olsztyn – one of the oldest football clubs in the city, currently playing in the lower leagues.
It played on the second tier, most recently in the 1990s
AZS UWM Trójeczka Olsztyn – men's basketball team playing in the Polish Second League
WMPD Olsztyn – men's rugby team, playing in the First Polish League
Budowlani Olsztyn – a wrestling team
Joanna Jędrzejczyk (born 1987), Polish Muay-Thai and MMA fighter, former UFC Women's Strawweight Champion
Łukasz Gikiewicz (born 1987), Polish footballer
Rafał Gikiewicz (born 1987), Polish footballer
Filip Kurto (born 1991), Polish footballer
Olsztyn Lakers – American football team
The Memorial of Hubert Jerzy Wagner, an international volleyball friendly tournament, was organized in Olsztyn from 2003 to 2008.
The Tour de Pologne, one of UCI World Tour races, was organized in Olsztyn numerous times, most recently in 2008 (as of 2019).
Indykpol AZS Olsztyn – men's volleyball team playing in the Polish Volleyball League (PLS, Polska Liga Siatkówki), five time Polish champions
Stomil Olsztyn – men's football team, playing in the I liga (second tier). It played in the Ekstraklasa, the country's top flight, from 1994 to 2002.
Warmia Olsztyn – men's handball team playing in the I liga (second tier). It played in the Superliga, the country's top flight, most recently from 2005 to 2012.
Warmia Olsztyn – one of the oldest football clubs in the city, currently playing in the lower leagues. It played on the second tier, most recently in the 1990s
AZS UWM Trójeczka Olsztyn – men's basketball team playing in the Polish Second League
WMPD Olsztyn – men's rugby team, playing in the First Polish League
Budowlani Olsztyn – a wrestling team
Joanna Jędrzejczyk (born 1987), Polish Muay-Thai and MMA fighter, former UFC Women's Strawweight Champion
Łukasz Gikiewicz (born 1987), Polish footballer
Rafał Gikiewicz (born 1987), Polish footballer
Filip Kurto (born 1991), Polish footballer
Olsztyn Lakers – American football team
The Memorial of Hubert Jerzy Wagner, an international volleyball friendly tournament, was organized in Olsztyn from 2003 to 2008. The Tour de Pologne, one of UCI World Tour races, was organized in Olsztyn numerous times, most recently in 2008 (as of 2019).
Olsztyn