Thomas Valentine Cooper (January 16, 1835 - December 19, 1909), also known as Thomas V. Cooper, was an American politician from Pennsylvania who served as a Republican member of the Pennsylvania House of Representatives for Delaware County for the 1870 and 1872 terms. Cooper served as a member of the Pennsylvania State Senate for district 5 from 1873 to 1874 and for district 9 from 1875 to 1889. He was reelected to the Pennsylvania House of Representatives in 1901 and served until his death in 1909.