The term Laldighi or Lal Dighi may refer to:
Bangladesh Laldighi, Chittagong, a historical reservoir in the Laldighi area of Chittagong
Laldighi Mosque, an ancient Sunni mosque located at Laldighi, in Badarganj upazila of Rangpur district, Bangladesh
India Lal Dighi, Kolkata, is a man-made water tank in Kolkata, India.
See also Dighi