RGN or Rgn may refer to:
* RGN, a human gene which codes for the protein
regucalcin
*
RGN hand grenade, a Soviet weapon
*
Registered General Nurse, in the United Kingdom
* rgn, ISO 639-3 language code for the
Romagnol language
Romagnol (''rumagnòl'') is a group of closely-related dialects part of Emilian-Romagnol continuum which are spoken in the historical region of Romagna, which is now in the southeastern part of Emilia-Romagna, Italy. The name is derived from th ...
* RGN, IATA code for
Yangon International Airport
Yangon International Airport ( ) is the primary and busiest international airport of Myanmar. The airport is located in Mingaladon, north of central Yangon. All ten Myanmar carriers and about 30 international airlines operate at Yangon Inter ...
in Myanmar
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