The flag of Croats of Serbia () is one of the main symbols of the Croat ethnic minority in Serbia.
It consists of three equal size, horizontal stripes in Pan-Slavic colors: red, white, and blue. In the center of the flag is the coat of arms of Croats of Serbia. It is similar to the flag of Croatia, with the sole difference being the absence of a crown above the coat of arms in the center; the coat of arms of Croatia includes the crown.
The flag and coat of arms of Croats of Serbia were adopted on 11 June 2005 in a session of the Croat National Council in Subotica.