Sergio De Gregorio (swimmer)

{{short description|Italian swimmer}}

{{Use dmy dates|date=April 2025}}

{{Infobox swimmer

| name = Sergio De Gregorio

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| birth_date = {{birth date|1946|2|24|df=yes}}

| birth_place = Rome, Italy

| death_date = {{death date and age|1966|1|28|1946|2|24|df=yes}}

| death_place = Bremen, Germany

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Sergio De Gregorio (24 February 1946 – 28 January 1966) was an Italian freestyle swimmer. He competed in three events at the 1964 Summer Olympics.{{cite Sports-Reference |url=https://www.sports-reference.com/olympics/athletes/de/sergio-de-gregorio-1.html |archive-url=https://web.archive.org/web/20200418012914/https://www.sports-reference.com/olympics/athletes/de/sergio-de-gregorio-1.html |url-status=dead |archive-date=18 April 2020 |title=Sergio De Gregorio Olympic Results |accessdate=26 October 2016}} He died in the Lufthansa Flight 005 plane crash in Bremen, Germany.{{cite web|url=https://www.olympedia.org/athletes/48501 |title=Sergio De Gregorio |publisher=Olympedia |access-date=22 April 2021}}