Leopold Frederick, Duke of Württemberg-Montbéliard

{{Notability|Biography|date=October 2023}}

{{infobox noble

| name = Leopold Frederick, Duke of Württemberg-Montbéliard

| image =

| caption =

|CoA=|tenure=|predecessor=| noble family = Württemberg

| father = Louis Frederick, Duke of Württemberg-Montbéliard

| mother = Elisabeth Magdalena of Hesse-Darmstadt

| spouse = Sibylle of Württemberg

|successor=| birth_date = {{birth date|1624|5|30|df=yes}}

| birth_place = Montbéliard

| death_date = {{death date and age|1662|6|15|1624|5|30|df=yes}}

| death_place = Montbéliard

}}

Leopold Frederick (30 May 1624 – 15 June 1662) was Duke of Montbéliard from 1631 until his death in 1662.{{Cite book |url=https://www.leo-bw.de/themen/biographisches-lexikon-des-hauses-wurttemberg |title=Das Haus Württemberg. Ein biographisches Lexikon |publisher=LEO-BW |year=1997 |editor-last=Sönke |editor-first=Lorenz |edition=Online |location=Stuttgart |pages=181–183 |language=de |chapter=Württemberg, Leopold Friedrich, Herzog |editor-last2=Dieter |editor-first2=Mertens |editor-last3=Volker |editor-first3=Press |editor-link3=Volker Press |chapter-url=https://www.leo-bw.de/web/guest/detail/-/Detail/details/PERSON/ubt_hauswuerttemberg/1018388621/W%C3%BCrttemberg+Leopold+Friedrich+Herzog}} He was born in Montbéliard to Duke Louis Frederick and his first wife, Elisabeth Magdalena of Hesse-Darmstadt. He succeeded his father in 1631 at the age of seven.

He married Sibylle, the youngest daughter of Duke John Frederick of Württemberg. The marriage remained childless.

He died in 1662 and was succeeded by his half-brother George II.