Ljuba is a Slavic given name. In the Serbian language, it is best known as a masculine name, cognate to Ljubomir or Ljubo. In other Slavic languages it's more often a feminine name (Czech, Bulgarian, Macedonian), cognate to Lyubov, and also spelled Lyuba (Bulgarian Люба), Luba (Ukrainian and Russian Люба; Czech, Polish), Ľuba (Slovak).

The masculine name may refer to:

• Ljuba Aličić, Serbian Romani folk singer
• Ljuba Brkić, Serbian pianist and piano teacher
• Ljuba Čupa, Serbian soldier
• Ljuba Jezdić, Serbian lawyer and soldier
• Ljuba Tadić, Serbian actor

The feminine name may refer to:

• Ljuba Kristol, Israeli chess grandmaster of Russian origin
• Ljuba Monastirskaja, Latvian textile artist
• Ljuba Prenner, Slovene lawyer and writer (assigned female at birth and a feminine name)
• Ljuba Welitsch, Bulgarian actress
• Lyuba Mollova, Bulgarian athlete
• Lyuba Ognenova-Marinova, Bulgarian archeologist
• Luba Blum-Bielicka, Polish nurse and activist
• Luba Drozd (born 1982), Ukrainian-American installation artist
• Luba Genush, Canadian artist of Ukraininan origin
• Luba Golovina, Georgian trampolinist of Russian descent
• Luba Goy (born 1945), Canadian actress and comedian of Ukrainian/German origin
• Luba Jurgenson, French writer of Russian/Estonian origin
• Luba Kadison, Lithuanian Jewish actress
• Luba Lowery, Russian-born American paralympic athlete
• Luba Lukova, American visual artist of Bulgarian origin
• Luba Marks, an American fashion designer and former French-Russian ballet dancer
• Luba Mason, American singer and actress of Slovak descent
• Luba Mirella, Italian opera singer of Polish origin
• Luba Mushtuk, Russian dancer and choreographer
• Luba Robin Goldsmith, Ukrainian-born American physician and clubwoman
• Luba Skořepová, Czech actress
• Luba Sterlikova, Russian-American artist
• Luba (singer) (born 1958), Canadian music artist of Ukrainian descent
• Ľuba Lesná, Slovak writer
• Ľuba Orgonášová, Slovak opera singer

Derivative forms include Ljubica, Ljupka, Ljubinka, Ľubica, Ljubana.