The Dotnuvėlė is a river of Kėdainiai district municipality and Radviliškis district municipality, Kaunas County, central Lithuania. It flows for 60.9 kilometres and has a basin area of 192.7 km.

Its valley is 350–500 m wide. The current rate is 0.2-0.9 meters per second. The Dotnuvelė course goes through Skėmiai, Gudžiūnai, Mantviliškis, Akademija, Dotnuva. It is a right tributary of the Nevėžis river, into which it flows in Kėdainiai.

The name Dotnuvėlė (formerly Dotnava) could derive from the PIE root *dā- ('liquid, to flow') as Sanskrit: dānu ('liquid, drop'), Ossetian: дон ('river'), Avar: dā-nu- ('river, current'), etc.