Pajapan is a municipality and city in Veracruz, Mexico. It is located in south zone of the State of Veracruz, about 496 km from state capital Xalapa. It has a surface of 305.98 km2. It is located at .
The municipality of Pajapan is delimited to the north by Mecayapan to the east by the Gulf of Mexico and Coatzacoalcos, to the south by Chinameca and Cosoleacaque and to the west by Mecayapan. By decree of June 22, 1889, the limits were established between the municipalities of Mecayapan and Pajapan. By a decree of October 6, 1898 was Pajapan's was annexed as a community within the municipality of Minzapan.
In Pajapan, in may takes place the celebration in honor to San Juan de Dios, Patron of the town.
The weather in Pajapan is warm all year with rains in summer and autumn.
- "Enciclopedia de los Municipios de México: Pajapan" (in Spanish). Gobierno Estatal. Retrieved 2009-06-12.