Miellen
Municipality
Coat of arms
Location of Miellen within Rhein-Lahn-Kreis district
Miellen Show map of Germany Miellen Show map of Rhineland-Palatinate
Coordinates: 50°19′37″N 7°40′12″E / 50.32694°N 7.67000°E / 50.32694; 7.67000
Country	Germany
State	Rhineland-Palatinate
District	Rhein-Lahn-Kreis
Municipal assoc.	Bad Ems-Nassau
Government
• Mayor (2019–24)	Heiner Eggerath[1]
Area
• Total	2.05 km2 (0.79 sq mi)
Elevation	85 m (279 ft)
Population  (2022-12-31)[2]
• Total	332
• Density	160/km2 (420/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
Postal codes	56132
Dialling codes	02603
Vehicle registration	EMS, DIZ, GOH

Miellen is a municipality in the district of Rhein-Lahn, in Rhineland-Palatinate, in western Germany. It belongs to the association community of Bad Ems-Nassau.