RK may stand for:

Arts and entertainment

Rajesh Khanna Rajesh Khanna () (; born Jatin Khanna; 29 December 1942 – 18 July 2012) was an Indian actor, film producer and politician who worked in Hindi films. He is called as the "First Superstar of Hindi cinema", he consecutively starred in a record ...

, 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 ''Reichskommissariat'' ( en, Imperial Commissariat) is a German word for a type of administrative entity headed by a government official known as a ''Reichskommissar'' ( en, Imperial Commissioner). Although many offices existed, primarily throug ...

, a historical Nazi territorial division * Religious knowledge, also known as

religious education In secular usage, religious education is the teaching of a particular religion (although in the United Kingdom the term ''religious instruction'' would refer to the teaching of a particular religion, with ''religious education'' referring to te ...

* 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 Ryanair is an Irish ultra low-cost carrier founded in 1984. It is headquartered in Swords, Dublin, Ireland and has its primary operational bases at Dublin and London Stansted airports. It forms the largest part of the Ryanair Holdings family ...

(IATA code RK)

Arts and entertainment

Science and technology

Other uses

See also