Names, Titles and Descriptions of the Holy Spirit

A deposit (earnest; 2 Cor. 5:5)
Another Counselor (John 14:16; 26)
Breath of the Almighty (Job 32:8)
Holy One (1 John 2:20)
Holy Spirit (John 1:33)
Holy Spirit of God (Eph. 4:30)
Seal (2 Cor. 1:22)
Spirit of Christ (1 Pet. 1:11)
Spirit of counsel and of power (Isa. 11:2)
Spirit of faith (2 Cor. 4:13)
Spirit of fire (Isa. 4:4)
Spirit of glory (1 Pet. 4:14)
Spirit grace and supplication (Zech. 12:10)
Spirit of his Son (Gal. 4:6)
Spirit of holiness (Rom. 1:4)
Spirit of Jesus Christ (Phil. 1:19)
Spirit of judgement (Isa. 4:4)
Spirit of justice (Isa. 28:6)
Spirit of knowledge and of the fear of the LORD (Isa. 11:2)
Spirit of life (Rom. 8:2)
Spirit of our God (1 Cor. 6:11)
Spirit of sonship (adoption; Rom. 8:15)
Spirit of the living God (2 Cor. 3:3)
Spirit of the LORD (Isa. 63:14; Luke 4:18)
Spirit of the Soverign LORD (Isa. 61:1)
Spirit of truth (John 14:17; 1 John 4:6)
Spirit of wisdom and understanding (Isa. 11:2)
The gift (Acts. 2:38; 10:45)
The promised Holy Spirit (Acts 2:33)
The same gift (Acts 11:17)
Voice of the Almighty (Ezek. 1:24)
Voice of the LORD (Hag. 1:12; Isa. 30:31)

(Taken from Henry Blackaby's Experiencing God workbook.)