Tomás Romañach (1890 – death date unknown) was a Cuban professional baseball shortstop in the Cuban League, Negro leagues and minor leagues.

He played from 1908 to 1916 with several clubs, including Almendares, Habana, the Long Branch Cubans, and the Cuban Stars (East).

Romañach was nicknamed "El Italiano".

He was elected to the Cuban Baseball Hall of Fame in 1948.

This biographical article relating to a Cuban baseball shortstop is a stub.