Lykke is a surname. Notable people with the surname include:Anne Lykke (1595–1641), Danish noblewoman and royal mistress of Christian, Prince Elect of Denmark Ivar Lykke (politician) (1872–1949), Norwegian politician; Prime Minister of Norway, 1926–1928 Ivar Lykke (footballer) (1889–1955), Danish amateur footballer Ivar Lykke (architect), Norwegian architect Lykke Li, Swedish singer-songwriter Nina Lykke, Swedish professor of gender studies at Linköping University Sophie Lykke, Danish county administrator, landholder and noble