Nguyễn Đăng Kỉnh was a Mikoyan-Gurevich MiG-21 pilot of the Vietnamese People's Air Force who flew with the 921st fighter regiment and tied for fourth place amongst Vietnam War fighter aces with six kills.
The following are the kills credited to him by the VPAF:
8 November 1967, an American F-4 Phantom II (pilot Gordon, WSO Brenneman);
19 November 1967, a USAF EB-66 (shared kill with Vũ Ngọc Đỉnh);
3 January 1968, a USAF F-105D (pilot Bean);
14 January 1968, a USAF EB-66C (pilots Mercer and Terrell + 5) (shared kill with Dong Van Song);
3 March 1968, a USAF EB-66 (shared kill with a pilot named "Thanh");
21 September 1968, a USAF AQM-34 'Firebee' unmanned aerial vehicle.
