|No. of teams||10|
|Most titles||AZS-AWF Warszawa|
Rugby Ekstraliga (Polish: Ekstraliga Polska w rugby union) is the premier league for rugby union in Poland.
The competition was founded in 1957 and currently consists of eight teams. For victory, a team gets four points, two points for a tie and zero for a loss. The first, historical rugby champion of Poland was the team of AZS-AWF Warszawa, which altogether holds the record of 15 championship titles. Budowlani Łódź are the current national champions (2017). The team that finishes last is relegated to I liga Rugby.
|Arka Gdynia||National Rugby Stadium (2,425)||Gdynia|
|Budowlani Lublin||Stadium on Krasińskiego 11||Lublin|
|Budowlani Łódź SA||ŁKS Stadium on Unii Lubelskiej 2||Łódź|
|KS Budowlani Łódź||Stadium on Górnicza 5||Łódź|
|Lechia Gdańsk||MOSiR Stadium on Grunwaldzka 244 (11,811)||Gdańsk|
|Ogniwo Sopot||Stadium on Jana z Kolna 18 (3,000)||Sopot|
|Orkan Sochaczew||Stadium on Warszawska 80 (3,000)||Sochaczew|
|Juvenia Kraków||Juvenia Stadium on Na Błoniach 7 (800)||Kraków|
|Pogoń Siedlce||Stadium on Jana Pawła II 6 (3,500)||Siedlce|
|Skra Warszawa||RKS Skra Stadium on Wawelska 5||Warszawa|