Blăjeni

{{Infobox Romanian subdivision

|type = commune

|county = Hunedoara

|name = Blăjeni

|image_flag =

|image_shield =

|image_skyline = SalatrucObarsaHD.JPG

|image_caption = Wooden church in Obârșa hamlet, Sălătruc village, Blăjeni

|image_map = Blajeni jud Hunedoara.png

|map_caption = Location in Hunedoara County

|leader_name = Horia Flavius Jurca

|leader_party = PNL

|leader_term = 2020–2024

|coordinates = {{coord|46|14|N|22|54|E|region:RO|display=it}}

|elevation = 413

|elevation_min =

|elevation_max =

|area_total = 88.62

|area_footnotes =

|population_as_of =

|population_total = auto

|population_footnotes =

|postal_code = 337085

|area_code = +(40) 254

|website = {{URL|https://blajeni.ro/}}

}}

Blăjeni ({{langx|hu|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).