The Stranahan Theater is a 2,424 seat concert hall located in Toledo, Ohio, USA. It was built in 1969 and was formerly called Masonic Auditorium. The theater's foyer is 3,000 square feet (300 m²) and the adjacent Great Hall features 10,000 square feet (1,000 m²) of meeting space. There is parking for 1,200 cars at the theater.

Fulfilling its primary usage as a concert venue, the Stranahan Theater is used for approximately 170 theater events a year. Broadway shows sponsored by Theater League have included The Phantom of the Opera, Chicago, The Lion King and Wicked. It is also the site of the Pops series of the Toledo Symphony Orchestra, The Nutcracker by the Toledo Ballet, and A Christmas Carol by the Toledo Rep. In addition, the Great Hall is used for about 140+ banquets, receptions, and trade shows each year.

The Stranahan Theater is the largest proscenium stage in Northwest Ohio. It operates primarily as a rental house and is owned and operated by a 501c3 non-profit trust. The Executive Director is Ward Whiting.