Loznitsa (Bulgarian: Лозница, pronounced [ˈɫɔznit͡sɐ]; also transliterated Loznica or Loznitza; Turkish: Kubadın) is a small town in northeastern Bulgaria, part of Razgrad Province, located in the geographic region of Ludogorie.

It is the administrative centre of the homonymous Loznitsa Municipality, which lies in the southernmost part of the Province.

Around the time of the Liberation of Bulgaria, present Loznitsa was a village of 66 households according to Russian data.

In the early 20th century, Bulgarians from the Balkan Mountains settled in the village.

A school was built in 1908, and the local community centre (chitalishte) Probuda was founded in 1912.