Sirr may refer to: Henry Charles Sirr (1807–1872), British lawyer, diplomat and writer Henry Charles Sirr (soldier) (1764–1841), Irish soldier, police officer, wine merchant and collector of documents and curios Peter Sirr (born 1960), Irish poet Sirr Al-Khatim Al-Khalifa (1919–2006), Sudanese politician and ambassador Sirr Parker (born 1977), former college and professional football running back Sirr, one of the six Lataif-e-sitta or psychospiritual "organs" in Sufi psychology SIRR may mean: Seremban Inner Ring Road, Malaysia Southern Illinois River-to-River Conference, a high school athletic conference