Kartar Singh (born 1953) is an Indian wrestler.
Kartar Singh may also refer to:
People Kartar Singh Jhabbar (1874–1962), India Sikh religious leader Kartar Singh Sarabha (1896–1915), Indian revolutionary Kartar Singh Komal (1913-1992), Indian gyani Kartar Singh Duggal (1917–2012), Indian writer in Punjabi, Hindi, Urdu and English Kartar Singh Thind (1917-1991), Indian botanist Kartar Singh Bhadana (born 1955), Indian politician Kartar Singh Tanwar (born 1962), Indian politician
Films Kartar Singh (film), a 1959 Pakistani film