Nasturtium may refer to: Tropaeolum, a plant genus in the family Tropaeolaceae, commonly known as nasturtium Nasturtium (plant genus), a plant genus in the family Brassicaceae, which includes watercress Nasturtiums (E. Phillips Fox) a 1912 painting by E. Phillips Fox Nasturtiums, a 1903 painting by Tudor St. George Tucker Nasturtium (horse) (1899–1916), an American Champion Thoroughbred racehorse Senecio tropaeolifolius, a succulent plant that is known as "false nasturtium"