The Jameh Mosque of Jajarm (; ) is a Shi'ite Friday mosque, located inside the city of Jajarm, in the province of North Khorasan, Iran. The mosque was completed in the 4th century AH (1011th century CE).
The mosque was added to the Iran National Heritage List on 23 January 1978 and is administered by the Cultural Heritage, Handicrafts and Tourism Organization of Iran.