The following ships of the Indian Navy have been named Investigator:

was a survey ship of the Royal Indian Navy, launched in 1925 as the mercantile Patrick Stewart she was acquired by the Indian navy in 1934 and on conversion to a survey ship renamed Investigator. She was sold in 1951. was a of the Royal Indian Navy, launched in 1942 as HMS Trent she was transferred to India and renamed Kukri in 1946. Subsequently became INS Khukri and on conversion into a surveying ship in 1951 renamed Investigator. She was scrapped in 1975 is a launched in 1987

See also

HMS Investigator - earlier Indian survey ships, from the British colonial era