1 Timothy 3:16
16 And without controversy great is the mystery of godliness: God was manifest in the flesh, justified in the Spirit, seen of angels, preached unto the Gentiles, believed on in the world, received up into glory.
"God" was manifest in the flesh, and in context, this refers to Jesus.
This verse has a textual variant, with most modern translations favoring "He was manifest in the flesh", based on the earliest manuscript data. Even if the original reading were "God", however, this would still be most naturally interpreted in light of explicit statements like John 1:18, 12:45, 14:9-11: 2 Corinthians 4:4, Colossians 1:13-15, and Hebrews 1:1-3, wherein Jesus is described as the quintessential revealer of God, and so can legitimately be called in that sense, "God manifest in the flesh".