Bible passages that mention New Testament apostles other than the twelve disciples, Matthias who replaced Judas, and Paul.

Acts 14:14 – Barnabas
14But when the apostles Barnabas and Paul heard of this, they tore their clothes and rushed out into the crowd, shouting

Romans 16:7 – Andronicus & Junias

7Greet Andronicus and Junias, my relatives who have been in prison with me. They are outstanding among the apostles, and they were in Christ before I was.

Galatians 1:19 – James, the brother of Jesus
19I saw none of the other apostles—only James, the Lord’s brother.

1 Thessalonians 1:1, 2:6-7 – Paul, Silas, & Timothy (“we” as authors of the letter)
1:1Paul, Silas and Timothy, To the church of the Thessalonians in God the Father and the Lord Jesus Christ: Grace and peace to you.
2:6We were not looking for praise from men, not from you or anyone else. As apostles of Christ we could have been a burden to you, 7but we were gentle among you, like a mother caring for her little children.

Hebrews 3:1 – Jesus!
1Therefore, holy brothers, who share in the heavenly calling, fix your thoughts on Jesus, the apostle and high priest whom we confess.