Athos, Count de la Fère, is a fictional character in the novels The Three Musketeers (1844), Twenty Years After (1845) and The Vicomte de Bragelonne (1847–1850) by Alexandre Dumas, père. He is a highly fictionalised version of the historical musketeer Armand d'Athos (1615–1643).

The Vicomte of Bragelonne: Ten Years Later is a novel by Alexandre Dumas. It is the third and last of The d'Artagnan Romances, following The Three Musketeers and Twenty Years After. It appeared first in serial form between 1847 and 1850.