Plogastel-Saint-Germain (French pronunciation: [plɔɡastɛl sɛ̃ ʒɛʁmɛ̃]; Breton: Plogastell-Sant-Jermen) is a commune in the department of Finistère, in the Brittany region, 15 km west of Quimper.

Belonging to Pays Bigouden, within the former political and religious region of Cornouaille, its territory of 31 km2 has a resolutely rural character.

There is still a large majority of cultivated land and agricultural areas (80% of its area), not to mention forests (10%) and meadows (8%).The municipalities (or old municipalities, urban areas) bordering Ploegastel-Saint-Germain include: Gourlizon, Landudec, Peumerit，Plonéour-Lanvern, Plovan, Pluguffan,Plozévet.

[3] Inhabitants of Plogastel-Saint-Germain are called in French Plogastellois.

This Finistère geographical article is a stub.