Ichthus

‘ICHTHUS’ is the Greek word for fish -and a symbol for Christianity. The fish symbol was used by early Christians to signify their faith. Ichthus is an acronym for:

I esous (Jesus)
CH ristos (Christ)
TH eo (of God)
U iou (the Son)
S oter (the Saviour)

Jesus Christ, Son of God, Saviour.