San Pablo is a canton in the Heredia province of Costa Rica. The head city is in San Pablo district.
San Pablo was created on 18 July 1961 by decree 2789.
San Pablo has an area of km<sup>2</sup> and a mean elevation of metres.
The canton is in the foothills southeast of the provincial capital city of Heredia, with the Bermúdez River as the southeast boundary and the Pirro River delineating the furthest portion of the northwestern border.
The canton of San Pablo is subdivided into the following districts:
For the 2011 census, San Pablo had a population of inhabitants.
The canton is covered by the following road routes:
The Interurbano Line operated by Incofer goes through this canton.