Firo or FIRO and Firos or FIROS may refer to:

Firo or FIRO

* FIRO,

post-nominal letters Post-nominal letters, also called post-nominal initials, post-nominal titles, designatory letters or simply post-nominals, are letters placed after a person's name to indicate that the individual holds a position, academic degree, accreditation, ...

for a Fellow of the

Institution of Railway Operators The Chartered Institution of Railway Operators (founded in 1999 and registered in 2000 as the Institution of Railway Operators (IRO)) is the professional body for all those engaged or interested in railway operations and its allied disciplines. It ...

(changed to FCIRO in October 2021) * Fundamental interpersonal relations orientation (FIRO), a theory of interpersonal relations *

Firo-canna is a Japanese syllabary, part of the Japanese writing system, along with ''katakana'' as well as ''kanji''. It is a phonetic lettering system. The word ''hiragana'' literally means "flowing" or "simple" kana ("simple" originally as contras ...

, another name for the Japanese syllabary Hiragana * Firo, a cryptocurrency * Firo, a village in the

Tillabéri Department Tillabéri is a Departments of Niger, department of the Tillabéri Region in Niger. Its capital lies at the city of Tillabéri, and contains the Communes of Niger, Communes of Ayorou (as of 2001 the largest town in Department), Anzourou, Dessa, ...

Niger ) , official_languages = , languages_type = National languagesFiro & Klawd''

Firos or FIROS

* Firos (artillery), FIROS, an Italian. truck mounted, field rocket system *

Georgios Firos Georgios Firos ( el, Γεώργιος Φοιρός; born 8 November 1953) is a Greek football manager and former football player. Career Born in Evosmos, Thessaloniki, Firos played center-back or sweeper. He was one of the very few players that ...

also Giorgos Foiros (born 1953), Greek footballer * Firos Shah also Firuz Shah Tughlaq (1309-1388), sultan of Delhi {{disambiguation