Jean Allemane (1843, Sauveterre-de-Comminges, Haute-Garonne – 1935, Herblay in Seine-et-Oise) was a French socialist politician, veteran of the Paris Commune of 1871, pioneer of syndicalism, leader of the Socialist-Revolutionary Workers' Party (POSR) and co-founder of the unified French Section of the Workers' International (SFIO) in 1905.
He was a deputy in the National Assembly of the Third French Republic.