Porokhnia is a village in Khmelnytskyi Raion, in Khmelnytskyi Oblast, Ukraine. Porokhnia lies at 307 m above sea level. The nearest city is Khmelnytskyi, 45 km to the east. Among the landmarks around are Toky Castle (19.8 km), Saint Paraskeva Church, Kozyna (25 km) and Great Synagogue (29 km).
Also written Порохня.