Pierre Abelin (May 16, 1909 – May 23, 1977) was a French Christian Democratic politician, parliamentarian and government minister. Abelin took part in the founding of the Popular Republican Movement (MRP). An adherent of the notion of building a 'third force' in French politics, he retained a staunch anti-Gaullist stance. He later became the general secretary of the Democratic Centre. Abelin moved to Châtellerault, where he was elected to the municipal council. He later became the mayor of Châtellerault.