AS Trenčín (Slovak pronunciation: [ˈaː ˈes ˈtrentʂiːn] ⓘ) is a Slovak sports club in the town of Trenčín, most known for its football department. The first team currently plays in the Fortuna Liga after winning the 2010–11 Slovak First League. The club plays its home games at the Štadión na Sihoti with a capacity of 10,000 spectators.
 The football team was established in 1990 as TJ Ozeta Dukla Trenčín and started in the third division of the Czechoslovak competition, finishing one place below TTS Trenčín. Afterwards both clubs merged. Later, the club spent three seasons (1994–97) in the second division in Slovakia. Since 1997, Trenčín has continuously played in the Slovak first division.
 In 2002 the club changed its name to FK Laugaricio Trenčín, and one year later became FK AS Trenčín (Araver a Synot Trenčín).
 The club's biggest success so far was winning the national title in the 2014–15 season and reaching second place in the 2013–14 season. Trenčín has also made four appearances in the Intertoto Cup (1998, 1999, 2000 and 2002). It is owned by former Dutch international Tschen La Ling. After 11 seasons in the top level the club was relegated after the 2007–08 season.
 In July 2015, FK AS Trenčín together with women's handball team HK Štart Trenčín was merged into Asociácia športov Trenčín.
  Czechoslovakia
  Slovakia
 1 – As Jednota Trenčín
 The Czechoslovak League top scorer from 1944 to 1945 until 1992–93. Since the 1993–94 Slovak League Top scorer.
 1 – As Jednota Trenčín
 This is the current 2022–23 (November 3) UEFA coefficient:
 The following clubs are affiliated with AS Trenčín:
 The club has a fairly large support in the country and have an active ultras group. They have a fierce rivalry with Spartak Trnava and Slovan Bratislava. The club is one of the very few in the region with politically left-wing fans. Trenčín supporters maintain friendly relations with some fans of Czech Bohemians 1905.
  
 As of 7 October 2023
 Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.
 Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.
 For recent transfers, see List of Slovak football transfers summer 2023.
 AS have produced numerous players who have gone on to represent the Slovak national football team. Over the last period there has been a steady increase of young players leaving Trenčín after a few years of first team football and moving on to play football in leagues of a higher standard, with the Russian Football Premier League (Martin Škrteľ to Zenit in 2004, František Kubík to Kuban in 2011), Belgian Pro League (Moses Simon, Haris Hajradinović (booth 2014), Rabiu Ibrahim (2016), Samuel Kalu (2017), Rangelo Janga (2018), Philip Azango (2018), Reuben Yem (2019) and Osman Bukari (2020) to K.A.A. Gent, Wesley to Club Brugge in 2016, Kingsley Madu and Aliko Bala to Zulte Waregem in 2016,2017 James Lawrence to Anderlecht in 2018), Danish Superliga (Stanislav Lobotka and Ramón to FC Nordsjælland in 2015, Fanendo Adi to Copenhagen in 2013), Dutch Eredivisie (Ryan Koolwijk to SBV Excelsior in 2016, Hilary Gong to SBV Vitesse in 2018), Greece Superleague (Jairo to PAOK in 2015), Norway Tippeligaen (Tomáš Malec to Lillestrøm SK in 2016), Czech First League (Aldo Baéz to Slavia Prague in 2014 and season 2015–16 league topscorer Gino van Kessel in 2016). The top transfer was agreed in 2016 when 20 years old talented winger Wesley joined Belgian Club Brugge for a fee €4.2 million.
 *-unofficial fee
 Slovak League only (1993–present)
 Until 1992 played as Jednota Trenčín
 Players whose name is listed in bold are still active.
 Had international caps for their respective countries. Players whose name is listed in bold represented their countries while playing for AS Trenčín.