Parguera is a barrio in the municipality of Lajas, Puerto Rico with a population of 2,082 in 2010.

Parguera is home to La Parguera Nature Reserve, which encompasses the bioluminescent bay, its surrounding mangrove forests, wetlands and a number of keys such as Mata La Gata and Cayo Enrique.

The name Parguera derives from pargo, the local name for the Northern red snapper (Lutjanus campechanus).

[4] The settlement of La Parguera was established as a villa pesquera (fishing village) in 1825.

In 1899, the United States Department of War conducted a census of Puerto Rico finding that the combined population of Parguera and Costa barrios was 1,256.