Tilly Decker

{{short description|Luxembourgish sprinter}}

{{Use dmy dates|date=July 2020}}

{{Infobox sportsperson

| name = Tilly Decker

| birth_name = Mathilde Decker

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| nationality = Luxembourgish

| sport = Sprinting

| event = 100 metres

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| birth_date = {{birth date|1930|1|10|df=yes}}

| birth_place = Esch-sur-Alzette, Luxembourg

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Tilly Decker (born 10 January 1930) is a Luxembourgish sprinter. She competed in the women's 100 metres at the 1948 Summer Olympics.{{cite Sports-Reference |url=https://www.sports-reference.com/olympics/athletes/de/tilly-decker-1.html |archive-url=https://web.archive.org/web/20200417172602/https://www.sports-reference.com/olympics/athletes/de/tilly-decker-1.html |url-status=dead |archive-date=17 April 2020 |title=Tilly Decker Olympic Results |accessdate=7 June 2017}}