NGC 2161 (also ESO 33-SC31) is a magnitude +13.0 open cluster in the Large Magellanic Cloud located in the constellation Mensa.
The cluster was discovered by British astronomer John Herschel using a 47.5 cm (18.7 inch) reflecting telescope at the Cape of Good Hope on the 8th February 1836.
Right Ascension 05h 55m 43.2s, Declination -74° 21' 14"