This Act may be cited as the Rock Creek National Park Act of 2026.

(a) Redesignation In recognition of its nationally significant natural, cultural, and historical resources, and important recreational opportunities, Rock Creek Park in the District of Columbia, established by the Act of September 27, 1890 (26 Stat. 492), is redesignated as Rock Creek National Park. (b) Conforming amendments Title 40, United States Code, is amended— (1) in section 8104(b), by striking Rock Creek Park and inserting Rock Creek National Park; and (2) in section 8501(a)(3)(B), by striking Rock Creek Park and inserting Rock Creek National Park. (c) References Any reference in any law, map, regulation, document, paper, or other record of the United States to Rock Creek Park in the District of Columbia is deemed to be a reference to Rock Creek National Park.