Justin Rolph Loomis (August 21, 1810 – June 22, 1898) was the fourth president of Bucknell University from 1858 to 1879.

[1] Loomis was married three times.

[2] He constructed and lived in a three-story home on South Third Street in Lewisburg, still standing today.

He was also instrumental in the construction of President's House, on the Bucknell campus, and the Baptist Church on South Third Street in Lewisburg.

This biography of an American academic administrator born in 1810–1819 is a stub.