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.

[2] The fungus has a boreal and temperate distribution.

[3] Helvella queletii is a synonym of this species.

as similar species in the Helvellaceae contain the toxin gyromitrin.