Frank S. Curto (1898 or 1899 – February 23, 1971) was the chief horticulturist for the Pittsburgh Department of Parks and Recreation. Curto received his Master of Science degree in ornamental horticulture from Ohio State University. His career with the city's bureau of Parks and Recreation began in 1946 and ended in 1970 after a decade as foreman of Phipps Conservatory, where he directed the popular Fall Flower Shows for 23 years.