Toyota Arena, Multi-purpose arena in Ontario, California, United States

Toyota Arena is a large indoor venue in Ontario, California, designed to hold more than 11,000 people in a modern, open space. The facility features 36 luxury suites, continuous concourse walkways with food and merchandise vendors, and a VIP lounge for guest comfort.

Construction began on March 7, 2007, on the site of the former Ontario Motor Speedway, and the arena opened on October 18, 2008, as Citizens Business Bank Arena. The city of Ontario owns it; AEG Worldwide operated it until July 1, 2016, when ASM Global took over. It was renamed Toyota Arena on June 11, 2019, after a naming-rights deal with the Southern California Toyota Dealership Association.

The arena's name changed with its naming rights: it opened in 2008 as Citizens Business Bank Arena, and on June 11, 2019, it was renamed Toyota Arena under an agreement with the Southern California Toyota Dealership Association. Its first concert was Carrie Underwood on November 9, 2008, with Little Big Town opening.

Toyota Arena stands on the former Ontario Motor Speedway site, and the city of Ontario owns the building. The main entrance sits at the top of a raised concrete terrace reached by stairs with metal railings on the left of the facade. The venue holds 11,089 people at full capacity, 10,832 for basketball and 9,736 for hockey, so arrival well before a sold-out game or concert is advisable.

The venue features flexible event configurations that adapt to different types of shows, allowing everything from hockey games to concerts and family entertainment to take place in the same space. This versatility enables the arena to host over 125 events annually.