Entoloma bloxamii, commonly known as the big blue pinkgill, is a species of agaric (gilled mushroom) in the family Entolomataceae.

The species has a European distribution, occurring mainly in agriculturally unimproved grassland. It has been reported from North America, but at least some of these reports represent a distinct species, E. medianox. Threats to the habitat of E. bloxamii have resulted in it being assessed as globally "vulnerable" on the IUCN Red List of Threatened Species.

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