Joanikije (Serbian Cyrillic: Јоаникије) is the Serbian variant of Greek name Ioannikios. It may refer to:
- Joanikije I, Serbian Archbishop (1272–76)
- Joanikije II, Serbian Archbishop (1338–46) and first Serbian Patriarch (1346–54)
- Joanikije III, Serbian (1739–46) and later Ecumenical Patriarch (1761–1763)
- Joanikije (Pamučina) (1810-1870), Serbian Orthodox bishop and writer from Herzegovina
- Joanikije I (1890–1945), Metropolitan of Montenegro and Serbian Orthodox saint
- Joanikije Mićović (born 1959), current Metropolitan of Montenegro and the Littoral
- Joanikije of Devič, 15th-century saint