BNS Ali Haider was a Leopard-class Type 41 anti aircraft frigate of the Bangladesh Navy.
BNS Ali Haider previously served the British Royal Navy as HMS Jaguar.
She underwent a major refit in the mid-1960s that replaced her sensors and electronic warfare systems.
BNS Ali Haider was commissioned into the Bangladesh Navy fleet on 6 July 1978.
She was replaced by a Chinese-built Type 053H2 frigate BNS Ali Haider (2014) with the same name and pennant number.