Kennedy Park is a large, multi-use park in Hayward, California, managed by the Hayward Area Recreation and Park District. It is the most heavily used park in the district. The park is adjacent to McConaghy Park, which contains McConaghy House, a historic property, built in 1886, and managed as a house museum by HARD and the Hayward Area Historical Society. McConaghy House features Stick/Eastlake architecture. It lies within San Lorenzo.