2. Liga Interregional (2nd League Interregional in english) is the fifth tier of the Swiss football league system. From 2000 to 2012, it was the country's fourth level. From 2013, the league was demoted to fifth level. The division is split into 4 groups of 16 teams since 2023–24 season onwards, by geographical region.

2. Liga Interregional founded in 1924, refounded in 2000 the league between 1. Liga Classic and 2. Liga.

Since the creation in 1924, the league has been called :

• 1924–1925 : Division 1
• 1925–1930 : Serie D
• 1930–1931 : 5. Liga
• 1931–1944 : 4. Liga
• 1944–1984 : 3. Liga
• 1984–1989 : 3. Liga Elite
• 1989–2000 : 3. Liga

Since the creation of Amateur League in 2000, the league has been called :

• 2000–2012 : 2. Liga
• Since 2012 : 2. Liga Interregional

The 2024–25 season is the current season in the Swiss 2. Liga Interregional.

2nd League / 2nd League Interregional champions
Season	Group 1	Group 2	Group 3	Group 4	Group 5	Group 6
2000–01	FC Sion II	FC Baulmes	FC Basel II	FC Luzern II	FC Zürich II	Chur 97
2001–02	ES FC Malley	FC Martigny-Sports	SC Zofingen	GC Biaschesi	FC Aarau II	FC Frauenfeld
2002–03	FC Sierre	BSC Young Boys II	SC Dornach	FC Seefeld	SC Cham	5 groups (from 2002 until 2010)
2003–04	FC Lausanne-Sport	FC Alle	FC Brugg	FC Langenthal	FC Herisau
2004–05	FC Bernex-Confignon	SC Düdingen	Kickers Lucerne	SV Muttenz	FC Rapperswil-Jona
2005–06	FC Sion II	FC La Tour/Le Pâquier	FC Stabio	FC Olten	FC Gossau
2006–07	FC Savièse	SV Lyss	FC Schötz	BSC Old Boys	FC Küsnacht
2007–08	CS Chênois	FC Le Mont	FC Emmenbrücke	SV Höngg	USV Eschen/Mauren
2008–09	Grand-Lancy FC	FC Breitenrain	FC Lugano II	FC Laufen	Chur 97
2009–10	US Terre Sainte	FC Thun II	FC Aarau II	SC Dornach	SC Brühl
2010–11	Servette FC U21	FC Bulle	FC Serrières	FC Muri	SV Höngg	FC Balzers
2011–12	US Terre Sainte	FC Köniz	FC Black Stars Basel	Zug 94	FC Wettswil-Bonstetten	FC Kreuzlingen
2012–13	FC Azzurri 90 Lausanne	FC Bavois	Neuchâtel Xamax FCS	FC Sursee	FC Thalwil	Chur 97
2013–14	FC Stade-Lausanne-Ouchy	Team Vaud U21	FC Bern	AC Taverne	FC Dietikon	FC Seuzach
2014–15	Signal FC Bernex-Confignon	FC La Chaux-de-Fonds	FC Thun II	SC Buochs	FC United Zürich	FC Kosova
2015–16	FC Vevey Sports 1899	FC La Sarraz-Eclépenz	FC Bassecourt	AC Bellinzona	FC Red Star Zürich	FC Seefeld
2016–17	Meyrin FC	FC Portalban/Gletterens	FC Langenthal	FC Kickers Luzern	SV Höngg	FC Kosova
2017–18	CS Chênois	FC Bulle	FC Biel-Bienne	FC Hergiswil	SC Zofingen	FC Linth 04
2018–19	Olympique de Geneve FC	US Terre Sainte	SV Muttenz	FC Paradiso	FC Dietikon	FC Balzers
2019–20	Servette FC II	SC Düdingen	FC Moutier	FC Willisau	FC Muri	Chur 97
2020–21	FC Monthey	FC La Sarraz-Eclépens	FC Thun II	Team Ticino	FC Freienbach	FC Uzwil
2021–22	FC Servette II	FC Portalban-Gletterens	SC Dornach	AC Taverne	FC Rotkreuz	FC Weesen
2022–23	Pully Football	Team Vaud U21	FC Dietikon	FC Mendrisio	FC Balzers	5 groups (for 2022–23)

4 Groups from 2023 onwards:

2nd League Interregional champions
Season	Group 1	Group 2	Group 3	Group 4
2023–24	Lancy FC	FC Prishtina Bern	FC Collina d'Oro	SV Schaffhausen
2024–25

• http://www.football.ch/
• Interregional at soccerway.com