{{Unreferenced|date=April 2026}} {{Expand German|topic=geo|date=February 2009|Sielmingen}}
thumb|200px|Coat of arms of the former municipality.
'''Sielmingen''' is a former municipality in the Esslingen district, in Baden-Württemberg, Germany.
It was first recorded in year 1275 as ''Sygehelmingen''.
In 1975 it was merged with the municipalities Bernhausen, Bonlanden, Plattenhardt and Harthausen to form the new town Filderstadt. Sielmingen is today a quartier of that town, formally named '''Filderstadt-Sielmingen'''. It has 7,566 inhabitants.
{{coord|48|40|N|9|14|E|display=title|region:DE_type:city_source:GNS-enwiki}}
{{authority control}}
Category:Villages in Baden-Württemberg Category:Former municipalities in Baden-Württemberg
{{Esslingen-geo-stub}}