Thyra is a female given name, variant of Tyra. Notable people with the name include:
Thyra (c.936-958), Danish queen Thyra of Denmark (1853-1933), Danish daughter of Christian IX of Denmark and Louise of Hessel-Kassel Thyra of Denmark (1880–1945), Danish daughter of Frederick VIII of Denmark and Louise of Sweden Thyra Alleyne (1875-1954), second daughter of Forster Alleyne of Clifton and Barbados Thyra Bethell (1876-1972), New Zealand organizer Thyra J. Edwards (1897-1953), American journalist Thyra Eibe (1866-1955), Danish mathematician Thyra Frank (born 1952), Danish nurse Thyra Manicus-Hansen (1872-1906), Danish artist Thyra Schmidt (born 1974), German artist Thyra Stevenson (1944-2020), American politician Thyra Thomson (1916-2013), American politician Thyra von Westernhagen (born 1973), German forester Thyra Samter Winslow (1885-1961), American short story writer