Alfredo D'Ambrosio (13 June 1871, in Naples – 29 December 1914, in Nice or 31 December 1914, in Paris) was an Italian composer and violinist.
He studied under Enrico Bossi at the Conservatory "San Pietro a Majella" in Naples, and later with Pablo de Sarasate in Madrid, and August Wilhelmj in London.
He then settled in Nice, and devoted himself to his compositions and his work as a teacher.
His brother Luigi d'Ambrosio was also a violinist and later teacher of Salvatore Accardo.