Fifth Third Field is a minor league baseball stadium located in Toledo, Ohio. On October 20, 2000, the stadium broke ground and opened for the public on April 9, 2002, with a $39.2 million construction cost. The facility has a seating capacity of 10,300 (8,943 fixed seats) and a natural grass surface. Fifth Third Field serves as home to the Toledo Mud Hens (an International League team and the Triple-A affiliate of the Detroit Tigers). The stadium is under Lucas County's ownership and operated by Toledo Mud Hens Baseball Club, Inc.

Fifth Third Field was designed by HNTB, Finkbeiner, Pettis & Strout Inc., and The Collaborative Inc., while the project manager was The Gateway Group. Newsweek named the venue as one of the best minor league ballparks in America. The Roost section of Fifth Third Field was rated as the best seat to watch a game in minor league baseball by ESPN.com in 2007.

The stadium hosted the Triple-A All-Star Game and home run derby in 2006. The facility is part of a complex that includes the SeaGate Convention Centre along with the Huntington Center. A brand new 2,500-square-foot LED video display and two new ribbon scoreboards were installed in 2019 by the Mud Hens and Daktronics. Some of the other notable seating features of the ballpark include 776 picnic seats, 86 handicap seats and 32 Suites.