Luzhanka (Ukrainian: Лужанка; Romanian: Catzbach) is a village located in Bolhrad Raion, Odesa Oblast in southwestern Ukraine.

It is also located in the historical region of Budjak in southern Bessarabia.

Luzhanka belongs to Bessarabske settlement hromada, one of the hromadas of Ukraine.

[1] Russian Empire 1830–1917 Moldavian Democratic Republic 1917–1918 Kingdom of Romania 1918–1940 Soviet Union 1940–1941 Kingdom of Romania 1941–1944 Soviet Union 1944–1991 Ukraine 1991–present Until 18 July 2020, Luzhanka belonged to Tarutyne Raion.

The raion was abolished in July 2020 as part of the administrative reform of Ukraine, which reduced the number of raions of Odesa Oblast to seven.