|No. of teams||49 from MASL, PASL, and independent teams.|
|Chicago Mustangs (2013-14)|
|Most titles||San Diego Sockers (3)|
|Official website||U.S. Open Championship|
The United States Open for Arena Soccer was a cup-style tournament for all Major Arena Soccer League and Premier Arena Soccer League teams. Established in 2008, the PASL announced they would hold the first tournament for indoor soccer open to all leagues and/or existing teams.
|2008–09||St. Louis Illusion||8–3||Detroit Waza|
|2009–10||San Diego Sockers||11–7||Louisville Lightning|
|2010–11||San Diego Sockers||13–6||Cincinnati Kings|
|2011–12||San Diego Sockers||13–6||Cincinnati Kings|
|2012–13||Detroit Waza||7–6 ||San Diego Sockers|
|2013–14||Chicago Mustangs||14–5 †||Hidalgo La Fiera|
|2014–15||none (no tournament due to inaugural WMF World Cup)||--||--|
† Also PASL Ron Newman Cup Championship
- "US Open Arena Soccer Championship Home Page". Premier Arena Soccer League. Retrieved May 11, 2012.
- Brown, John (March 3, 2013). "Detroit Waza Flo capture US Open Arena Soccer title, defeating San Diego Sockers, 7-6". The Ann Arbor News. Ann Arbor, MI: Booth Newspapers. Retrieved December 13, 2013.
- "U.S. Open". Indoor Soccer News. Retrieved 1 September 2014.