Helvella solitaria is a species of fungus in the family Helvellaceae. Originally described as Peziza solitaria by Petter Karsten in 1869, he transferred it to the genus Helvella in 1871. The fungus has a boreal and temperate distribution.
Helvella queletii is a synonym of this species.
Consumption of this fungus is not recommended as similar species in the Helvellaceae contain the toxin gyromitrin.