The Seven Witnesses of Jesus' Deity in John's Gospel:

John the Baptist: "This is the Son of God" (1.34)
Nathaniel: "You are the Son of God" (1.49)
Peter: "You are the Holy One of God!" (6.69)
Martha: "You are the Christ, the Son of God" (11.27)
Thomas: "My Lord and my God!" (20.28)
John: "Jesus is the Christ, the Son of God" (20.31)
Jesus: "I am the Son of God" (10.36; see also 4.26; 8.58)
The Seven "I ams" in John's Gospel:

"I am the bread of life" (6.35)
"I am the light of the world" (8.12)
"I am the door for the sheep" (10.7; cf. v. 9)
"I am the good shepherd" (10.11, 14)
"I am the resurrection and the life" (11.25)
"I am the way, and the truth, and the life" (14.6)
"I am the true vine" (15.1; cf. v. 5)