Grovesinia is a genus of fungi in the family Sclerotiniaceae.
The genus name of Grovesinia is in honour of James Walton Groves (1906-1970), who was a Canadian mycologist.
The genus was circumscribed by Molly Niedbalski Cline, J. Leland Crane and S.D. Cline in Mycologia vol.75 (Issue 6) on page 989 in 1983.