Friendship Fountain, Large fountain in Downtown Jacksonville, United States.

Friendship Fountain is a fountain in St. Johns River Park at the west end of Jacksonville's Southbank Riverwalk. Its circular basin measures 200 feet (61 m) in diameter and holds 500,000 US gallons (1,900,000 L) of water treated to swimming pool standards. The spray component consists of three rings: an outer ring of 36 nozzles angled inward at 45 degrees, a middle ring of 18 vertical nozzles 120 feet (37 m) in diameter, and a central nozzle.

Friendship Fountain was designed by Jacksonville architect Taylor Hardwick and opened in March 1965 in a 14-acre park on land donated by the Southside Business Men's Club. It was first called the Fountain of Friendship in Dallas Thomas Park, after the parks commissioner; the park was renamed in 1968 after Thomas was indicted in a scandal. The Acosta Bridge rebuilding from 1990 took over half the park for a restaurant.

The name came from a Rotary Club member's suggestion, while "Dallas Thomas" honoured the city parks and finance commissioner; after Thomas was indicted in a scandal, the park was renamed in 1968. The site was built on 14 acres donated by the Southside Business Men's Club, founded in 1932.

Friendship Fountain sits in St. Johns River Park at the west end of the Southbank Riverwalk, where the park meets the Acosta Bridge approach. The basin is 200 feet across, so the outer ring of 36 nozzles is best seen from the far side of the walkway. The park lost more than half its land to the restaurant lot in the 1990s, so paths are shorter than the original 14-acre layout suggests.

The fountain's spray component consists of three rings: an outer ring of 36 nozzles angled inward at 45 degrees, a middle ring of 18 vertical nozzles, and a central nozzle. The pump and control enclosure was so large that Taylor Hardwick had to make it part of the design. The basin holds 500,000 US gallons treated to swimming pool standards.