Philotheos
Philotheos (, "friend of God"), Latinized as Philotheus, may refer to:

People 

 Philotheos Bryennios (1833–1918), Greek Orthodox bishop
 Pope Philotheos of Alexandria, in office 979-1003
 Philotheus of Pskov (1465–1542), Russian abbot
 Philotheus of Samosata, a companion in martyrdom of Romanus of Samosata
 Patriarch Philotheus I of Constantinople (c. 1300-1379)
 a Byzantine court official, the author of the Kletorologion treatise, written in 899
 Saint Philotheos

Other 
 Philotheos: International Journal for Philosophy and Theology, founded in 2001 and based at Belgrade
 Philotheou Monastery on Mt Athos

See also
Filotije, Serbian variant