Hesseltinella is a genus of fungi belonging to the family Cunninghamellaceae. The genus name of Hesseltinella is in honour of Clifford William Hesseltine (1917-1999), who was an American botanist (Mycology), Microbiologist, from the University of Wisconsin. The genus was circumscribed by in Persoonia vol.6 (issue 1) on pages 111, 116-117 in 1970. The genus has cosmopolitan distribution. It has one known species; Hesseltinella vesiculosa H.P.Upadhyay