RRK may refer to:
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Rahsaan Roland Kirk
Rahsaan Roland Kirk (born Ronald Theodore Kirk; August 7, 1935Kernfeld, Barry.Kirk, Roland" ''The New Grove Dictionary of Jazz'', 2nd ed. Ed. Barry Kernfeld. ''Grove Dictionary of Music and Musicians, Grove Music Online''. ''Grove Dictionary of M ...
(1935–1977), American jazz multi-instrumentalist
*
Revised Romanization of Korean
Revised Romanization of Korean () is the official Romanization of Korean, Korean language romanization system in South Korea. It was developed by the National Institute of Korean Language, National Academy of the Korean Language from 1995 and w ...
, the Korean language romanization system of South Korea
*
R. R. Keshavamurthy (1913–2006), Indian violinist
*
Reinhard Rudolf Karl Hartmann, lexicographer and linguist
* Rice–Ramsperger–Kassel theory of chemical reactions, a precursor to
RRKM theory
The Rice–Ramsperger–Kassel–Marcus (RRKM) theory is a theory of chemical reactivity. It was developed by Rice and Ramsperger in 1927 and Kassel in 1928 (RRK theory) and generalized (into the RRKM theory) in 1952 by Marcus who took the tra ...
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