thumb|right|Advertisement for Avenue Grounds
Avenue Grounds was a baseball field located in Cincinnati, USA. Also known as Brighton Park and Cincinnati Baseball Park, the ground was home to the Cincinnati Reds baseball club from April 25, 1876, to August 27, 1879. The ballpark featured a grandstand that could seat up to 3,000 fans. It was approximately north of the Union Grounds, where the original professional team from the area, the Cincinnati Red Stockings, played, and was approximately from the heart of the city, so horse-drawn streetcars and trains were a popular way to travel to the park. The ballpark had first opened in , Contemporary atlases indicate the "Base Ball Grounds" was about two short blocks west of Spring Grove Avenue, bounded on the south by Alabama Avenue, on the west by Mill Creek, on the north by the imaginary line extending from Monmouth Street, and on the immediate east by the Marietta and Cincinnati Railroad tracks. It was a block north of the stockyards, and was straight west of the Cincinnati Work House, which was on the northeast corner of Alabama and Colerain, and which served as the jail.