Laguna Hanson is a lake in the Sierra de Juárez in Baja California state of Mexico. The lake is located in Constitución de 1857 National Park at elevation.
The lake provides a feeding, resting, and breeding area for at least 29 species of birds, including the migratory birds gadwall (Mareca streptera) and redhead duck (Aythya americana).
The lake and its floodplain was designated a Ramsar site (wetland of international importance) in 2020. The Ramsar site covers an area of 511 hectares.