San Rafael Abajo is a district of the Desamparados canton, in the San José province of Costa Rica.
San Rafael Abajo was created on 11 October 1968 by Ley 34. Segregated from San Rafael Arriba.
San Rafael Abajo has an area of km<sup>2</sup> and an elevation of metres.
For the 2011 census, San Rafael Abajo had a population of inhabitants.
The district is covered by the following road routes: