.32 ACP (Automatic Colt Pistol), also known as the .32 Automatic, is a centerfire pistol cartridge. It is a semi-rimmed, straight-walled cartridge developed by firearms designer John Browning, initially for use in the FN M1900 semi-automatic pistol. It was introduced in 1899 by Fabrique Nationale, and is also known as the 7.6517mmSR Browning or 7.65 mm Browning Short.

is 32 auto and 32 acp the same?
yes