Miguel António de Sousa Horta Almeida e Vasconcelos, 2nd Baron of Santa Comba Dão (São Paulo de Luanda, Angola, 22 August 1831 – 24 February 1891) was a Portuguese nobleman. He was the eldest child and son and successor of José Maria de Sousa Macedo Almeida e Vasconcelos, 1st Baron of Santa Comba Dão and Maria Benta de Miranda e Horta.