'In the Name of Jesus' in the Bible

And Peter said to them, “Repent [change your old way of thinking, turn from your sinful ways, accept and follow Jesus as the Messiah] and be baptized, each of you, in the name of Jesus Christ because of the forgiveness of your sins; and you will receive the gift of the Holy Spirit.

However, Barnabas took him and brought him to the apostles, and described to them how Saul had seen the Lord on the road [to Damascus], and how He had spoken to him, and how at Damascus Saul had preached openly and spoken confidently in the name of Jesus.

And he ordered that they be baptized in the name of Jesus Christ. Then they asked him to stay there for a few days.

She continued doing this for several days. Then Paul, being greatly annoyed and worn out, turned and said to the spirit [inside her], “I command you in the name of Jesus Christ [as His representative] to come out of her!” And it came out at that very moment.