Dr. Manuel Antonio Alonso Pacheco (October 6, 1822 – November 4, 1889) was a Puerto Rican writer, poet, journalist and physician.

He received his primary education in Caguas and in the Ildefonso Seminary in San Juan.

[1][2][3] In 1848, Alonso returned to Puerto Rico and set up his medical office in the City of Caguas.

He was buried at Santa María Magdalena de Pazzis Cemetery in San Juan.

Among his poems are:[6] Some of the short stories Alonso wrote include:[7] Puerto Rico has honored his memory by naming schools and public buildings after him.