The Ohmi Railway Taga Line (近江鉄道多賀線, Ōmi Tetsudō Taga-sen) is a regional railway line in Shiga Prefecture operated by Ohmi Railway.

It connects Hikone city and Taga town.

The single-track line is 2.5-kilometre (1.6 mi) long, connecting Takamiya on the Main Line in Hikone to Taga Taisha-mae in Taga.

It is electrified at 1,500 V DC, and the track gauge is 1,067 mm (3 ft 6 in).