West Little River is a census-designated place (CDP) in Miami-Dade County, Florida, United States. It is part of the Miami metropolitan area of South Florida. The population was 34,128 at the 2020 census.

Most of West Little River was originally a neighborhood of the city of Miami when it was annexed into the city in 1925. With the arrival of the Great Depression, Miami gave up its jurisdiction and West Little River became an unincorporated area of Miami-Dade County.

West Little River is located 9 miles (14 km) north-northwest of downtown Miami. It is bordered by Westview to the north, Pinewood and El Portal to the east, Hialeah to the west, and Gladeview and the Miami neighborhood of Liberty City to the south.

According to the United States Census Bureau, the West Little River CDP has a total area of 4.7 square miles (12 km²), of which, 4.6 square miles (12 km²) are land and 0.1 square miles (0.26 km²), or 1.59%, is water. The Little River Canal forms the northeast border of the CDP.

As of the 2020 census, West Little River had a population of 34,128. The median age was 41.8 years. 19.7% of residents were under the age of 18 and 17.7% of residents were 65 years of age or older. For every 100 females there were 98.7 males, and for every 100 females age 18 and over there were 97.8 males age 18 and over.

100.0% of residents lived in urban areas, while 0.0% lived in rural areas.

There were 10,670 households in West Little River, of which 33.7% had children under the age of 18 living in them. Of all households, 34.2% were married-couple households, 21.9% were households with a male householder and no spouse or partner present, and 36.1% were households with a female householder and no spouse or partner present. About 19.8% of all households were made up of individuals and 8.4% had someone living alone who was 65 years of age or older.

There were 11,230 housing units, of which 5.0% were vacant. The homeowner vacancy rate was 1.1% and the rental vacancy rate was 4.8%.