Spanish submarine Isaac Peral is the name used by four submarines in the Spanish navy after Captain and submarine pioneer Isaac Peral.
Isaac Peral (A-0) was an American-made submarine in commission between 1917 and 1932
Isaac Peral (C-1) was in commission between 1928 and 1950
Isaac Peral (S-32), was a Balao-class submarine used during World War II; updated to Guppy IIA, and in commission between 1971 and 1987
Isaac Peral (S-81) is an S-80 class submarine currently under construction
See also
Peral submarine torpedo boat was an experimental submarine in commission between 1888 and 1890
