Odenton Masonic Lodge No. 209, also known as Old Masonic Hall and Odenton Historical Center, is a historic Masonic lodge located at Odenton, Anne Arundel County, Maryland. It was built between 1909 and 1912, and is a two-story, frame meeting hall. It measures 5 bays by 3 bays, with a gable roof, and deep overhanging eaves. It features Colonial Revival-style detailing. The building remained in continuous use by the Masons until 2001 when they built a new lodge in a different Odenton location.
It was listed on the National Register of Historic Places in 2022.