Thomas Goad Blain (11 March 1827 – 10 March 1878) was an English cricketer active in the early 1850s, playing in three first-class cricket matches.
Blain made his debut in first-class cricket for a Lancashire XI in 1851 against a Yorkshire XI at the Botanical Gardens in Manchester.
The following season he played a further two first-class matches for Manchester against the Marylebone Cricket Club at Lord's and against Sheffield at the Botanical Gardens.
He scored a total of 28 runs in his three matches, with a high score of 10.He died at Chislehurst, Kent on 10 March 1878, a day shy of his 51st birthday.