Frogner Park is a public park in the central West End borough of Frogner in Oslo, Norway. The park is historically part of Frogner Manor and is Oslo's largest park, open to the public at all times. It includes the manor house which is the seat of Oslo Museum, the nearby Henriette Wegner Pavilion, the Vigeland installation of sculptures created by sculptor Gustav Vigeland, Frogner Baths, Frogner stadion, Frognerparken Café, the restaurant Herregårdskroen and the largest collection of roses in the country with 14,000 plants of 150 species. Frogner Park is the most visited tourist attraction in Norway.

Frogner is a residential and retail borough in the West End of Oslo, Norway, with a population of 59,269 as of 2020. In addition to the original Frogner, the borough incorporates Bygdøy, Uranienborg and Majorstuen. The borough is named after Frogner Manor, and includes Frogner Park. The borough has the highest real estate prices in Norway.