| Honorific Prefix: | Wing Commander |
| Darryl Castelino | |
| Honorific Suffix: | KC |
| Birth Name: | Darryl Castelino |
| Nickname: | Castro Dayavan[1] |
| Birth Date: | 1975 11, df=yes |
| Birth Place: | Kalina, Santacruz, Mumbai |
| Death Place: | Gaurikund, Uttarakhand |
| Placeofburial: | Our Lady of Egypt Church, Kalina. |
| Placeofburial Coordinates: | 19.442°N 72.529°W |
| Allegiance: |  India |
| Serviceyears: | 1998-2013 |
| Servicenumber: | 25107 F(P) |
| Battles: | Operation Rahat |
| Awards: | Kirti Chakra (posthumous) |
| Spouse: | Jyothi Castelino |
| Children: | Ethan Castelino(Son) Angelina Castelino(Daughter) |
Wing Commander Darryl Castelino, KC (2 November 1975 – 25 June 2013) was an Indian Air Force Officer, detailed as the Captain of a Mi-17 V5 helicopter in the disaster relief operations being undertaken by the Indian Air Force in Uttarakhand.[2] Castelino was a recipient of the Kirti Chakra,[3] India's second in order of precedence of a peacetime gallantry award. As noted in his award commendation, Castelino was a "determined officer pressed on with a single-minded focus of saving precious lives" and "displayed acts of conspicuous courage, professional competence, and valor for undertaking the high risk of the mission to save precious lives in hostile weather conditions."[2]