Leif Grøner (12 November 1884 – 17 October 1971) was a Norwegian banker and politician for the Conservative Party.
He was born in Bodø as a dean's son. He finished his secondary education in 1903, took military education for one year, and then studied law, graduating from the Royal Frederick University with the cand.jur. degree in 1908. After three years as an attorney in Nordfjord from 1910 to 1913, he forayed into banking. He was first a bank director in Måløy until 1916. After seven years in Oslobanken he briefly moved to Molde in 1923. From 1924 to 1954 he was a bank director in Fredrikstad.[1]