Jun Mitsuhashi (三橋 淳, Mitsuhashi Jun, born 1932) is a Japanese entomologist, author, and a retired professor at the Tokyo University of Agriculture.
Mitsuhashi graduated from the Faculty of Agriculture program at the University of Tokyo, receiving a Bachelor of Agriculture degree in 1955.
In 1965, he received a Doctor of Agriculture degree at the University of Tokyo.
His entomology works include scholarly articles and books.
He was a recipient of the Society for In Vitro Biology's Lifetime Achievement Award in 2020.