Blăjeni (Hungarian: Blezseny) is a commune in Hunedoara County, Transylvania, Romania. It is composed of eight villages: Blăjeni, Blăjeni-Vulcan, Criș, Dragu-Brad, Groșuri, Plai, Reț, and Sălătruc.

At the 2002 census, the commune had 1,530 inhabitants; 100% of them were ethnic Romanians and 99.4% were Romanian Orthodox. At the 2011 census, Blăjeni had a population of 1,192 (99% Romanians), while at the 2021 census, it had a population of 883 (97.28% Romanians).

• Crișul Alb River
• Țara Moților
• Apuseni Mountains

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  Blăjeni in the Josephinian Land Survey cadastral maps, 1769–1772
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  Annunciation wooden church, in Grosuri village
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  Vulcan Mountain, nearby
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  Pișoaia Waterfall [ro], nearby

• Blăjeni Town Hall Website (in Romanian)
• History of Blăjeni (in Romanian)
• The Moţi meeting with history in Blăjeni and Dupăpiatră (in Romanian)
• Blăjeni a pearl of the Apuseni (in Romanian)
• Blăjeni commune, historical places and leading personalities (in Romanian)