Authorities say the shooting happened sometime between December 8 and December 9 in Upper Southampton Township.
The cat named "Bambean" was found dead in the area of Dogwood Drive.
The Bucks County SPCA is offering a $3,000 reward for information leading to the arrest and conviction of the person responsible.
Anyone with information is asked to contact Det. Schirmer at jschirmer@ustwp.org or 215-364-5000.