Reginald Davis Johnson (1882–1952) was an American architect. His practice, based in Pasadena, California, focused on the Los Angeles area and southern California in general, with a mixture of residential and commercial work. Johnson's later work was influenced by his progressive ideas on housing policy.

Ganna Walska Lotusland, also known as Lotusland, is a non-profit botanical garden located in Montecito, near Santa Barbara, California, United States. The garden is the historic estate of Madame Ganna Walska. The County of Santa Barbara restricts visitation via a conditional use permit: Lotusland botanic garden is open to the public by reservation only, with walking tours 1½ to 2 hours long.