Yes.
Revelation 1:4-5
(4) John to the seven churches that are in Asia: Grace to you and peace, from Him who is and who was and who is to come, and from the seven Spirits who are before His throne,
(5) and from Jesus Christ, the faithful witness, the firstborn of the dead, and the ruler of the kings of the earth. To Him who loves us and released us from our sins by His blood. (NASB)
John's blessing (and a blessing is a prayer - 2 Chronicles 30:27) is in reference to all three Persons of the Trinity.
J.I. Packer:
the prayer for grace and peace from the Father, the Spirit, and Jesus Christ in Revelation 1:4-5 (would John have put the Spirit between the Father and the Son if he had not regarded the Spirit as divine in the same sense as they are?).
Sorry about that vague reference to Revelation even though in the post to me, you had not given it. I had missed this reply to the other poster
@Eleanor .
The 7 spirits are not the Holy Spirit but the 7 angels to the 7 churches in Revelation. "Spirits" should not be capitalized since there is only One Holy Spirit. In the original 1611 KJV, it did not capitalized spirit in Revelation 1:4, at this link --->
Revelation 1:4 1611 KJV
And the reference in Revelation has nothing about prayer in it but delivering a message to the churches.
Now some will contend that spirits were never used as a reference to angels.
Psalm 104:4Who maketh his
angels spirits; his ministers a flaming fire:
Hebrews 1:7And of the
angels he saith, Who maketh his
angels spirits, and his ministers a flame of fire.
Acts 23:9And there arose a great cry: and the scribes that were of the Pharisees' part arose, and strove, saying, We find no evil in this man: but if a
spirit or an
angel hath spoken to him, let us not fight against God.
Now look at how John was addressing each angel ( each spirit ) of each church; by writing;
not praying.
Revelation 2:1Unto the angel of the church of Ephesus write....
Revelation 2:8 And unto the angel of the church in Smyrna write; ...
Revelation 2:12 And to the angel of the church in Pergamos write;....
Revelation 2:18 And unto the angel of the church in Thyatira write;
Revelation 3:1And unto the angel of the church in Sardis write;...
Revelation 3:7 And to the angel of the church in Philadelphia write;
Revelation 3:14 And unto the angel of the church of the Laodiceans write;
I do not know when they had capitalized spirit in Revelation for the KJV but originally the 1611 KJV did not.