Chadpai Wildlife Sanctuary (Bengali: চাঁদপাই বন্যপ্রাণ অভয়ারণ্য) is a wildlife sanctuary located near Mongla in Bagerhat District of Bangladesh.

The area of the sanctuary is 560 ha (1,400 acres).

It was officially declared as a wildlife sanctuary by the government of Bangladesh on 29 January 2012.

[2] Chadpai wetland is one of the dolphin sanctuaries in Bangladesh.

[3][4] On 9 December 2014 a tanker named OT Southern Star 7 carrying some 357,000 liters furnace oil collided with another vessel and spilled at Mrigmari of Chadpai Wildlife Sanctuary under East Zone of the Sundarbans.