RK may stand for:

Arts and entertainment

* Rajesh Khanna, Bollywood film actor * Ram Kapoor, Bollywood film actor * Reality Kings, a North American pornographic website * ''Rurouni Kenshin'', a manga series by Nobuhiro Watsuki

Science and technology

* Radial keratotomy, a surgical procedure on the eye * Rhodopsin kinase, an enzyme * RK 62 or RK 95 TP, Finnish assault rifles (RynnäkköKivääri) * r/K selection theory, in biology, relating to the trade-off between quantity and quality of offspring * Runge–Kutta methods, in numerical analysis

Other uses

* Raising Kaine, a defunct Virginia political blog * Reichskommissariat, a historical Nazi territorial division * Religious knowledge, also known as religious education * Royal Khmer Airlines, ceased operations 2007 (IATA code RK) * R Airlines, ceased operations 2018 (IATA code RK) * Ryanair UK, UK based subsidiary airline of Ryanair (IATA code RK)

Arts and entertainment

Science and technology

Other uses

See also