Theophilus Hastings, 9th Earl of Huntingdon (12 November 1696 – 13 October 1746) was the son of Theophilus Hastings, 7th Earl of Huntingdon and Mary Frances Fowler.
Hastings married Lady Selina Shirley, daughter of Washington Shirley, 2nd Earl Ferrers and Mary Levinge, on 3 June 1728. The couple lived at Donington Park. He fathered seven legitimate children including Francis Hastings, 10th Earl of Huntingdon 13 March 1729 ��� 2 October 1789), Elizabeth Rawdon, Countess of Moira (1731–1808) and Selina (born 3 December 1737). He had an illegitimate son, Sir George Hastings (1733–1783). There is a monument to him in St Helen's Church, Ashby-de-la-Zouch.
- Schlenther, Boyd Stanley. "Hastings, Selina, countess of Huntingdon". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/12582. (Subscription or UK public library membership required.)
- The Third Register Book of the Parish of St James in the Liberty of Westminster For Births & Baptisms. 1723-1741. 12 December 1737.