Acts 18:24-28
And a certain Jew named Apollos, born at Alexandria, an eloquent man, and mighty in the scriptures, came to Ephesus.
Nave's Topical Index—AKJV

Acts 19:1
And it came to pass, that, while Apollos was at Corinth, Paul having passed through the upper coasts came to Ephesus: and finding certain disciples,
Nave's Topical Index—AKJV

1 Corinthians 1:12
Now this I say, that every one of you said, I am of Paul; and I of Apollos; and I of Cephas; and I of Christ.
Nave's Topical Index—AKJV

1 Corinthians 3:4-7
For while one said, I am of Paul; and another, I am of Apollos; are you not carnal?
Nave's Topical Index—AKJV