Nina Caroline Studley-Herbert, 12th Countess of Seafield (17 April 1906 – 30 September 1969) was a Scottish peeress. She was the only child of James Ogilvie-Grant, 11th Earl of Seafield and Ann Nina Ogilvie-Grant. On 24 January 1930, she married Derek Herbert Studley-Herbert. They divorced in 1957. Her former husband died of cancer on 26 March 1960. She was one of the seven godparents to Antony Armstrong-Jones, 1st Earl of Snowdon, who was christened on 5 April 1930 at the church of the Middle Temple.