Ljuba is also used as a masculine name in Serbian, used as a diminutive of Ljubomir and a variant of Ljubo. A known male bearer of this name is Ljuba Tadić, who is listed in the "Namesakes" section for this name.Source: https://en.m.wikipedia.org/wiki/Ljuba_Tadić [noted -ed]
Ljuba is of Slavic origin, it comes from the basic word l'ub (love). It translates the Greek name Charitas. Ljuba is also the Czech form. Pronounced "l:yoo-bah" (shortly).
Source: https://en.m.wikipedia.org/wiki/Ljuba_Tadić [noted -ed]