Sosthenes is a New Testament person named in Acts 18:17 and in the opening of 1 Corinthians. Scripture identifies him as a synagogue ruler in Corinth and also mentions “Sosthenes our brother,” though it does not explicitly say these are the same man.
New Testament person associated with Corinth and the Pauline mission.
Sosthenes is a New Testament person rather than a theological concept, so he should be classified as a biblical person entry. Acts 18:17 identifies him as the ruler of the synagogue in Corinth during the events surrounding Paul’s ministry there. In 1 Corinthians 1:1, Paul includes “Sosthenes our brother” in the letter greeting. Some readers understand these references to refer to the same man, suggesting a possible connection between his earlier synagogue role and later association with Paul, but Scripture itself does not explicitly state that the two are identical. Accordingly, the safest entry presents Sosthenes as a person associated with Corinth and the Pauline mission, while distinguishing what is stated from what is inferred.
Acts 18 places Sosthenes in Corinth during a public dispute involving Paul, the synagogue, and Roman oversight. 1 Corinthians opens with Paul and Sosthenes together in the greeting, showing Sosthenes as known to the Corinthian church.
Corinth was a major Greco-Roman city in Achaia, and synagogue leaders occupied an important public and religious role in Jewish communal life. The New Testament references place Sosthenes within that setting.
A synagogue ruler was a recognized leader responsible for order and administration in synagogue life. If Acts 18:17 and 1 Corinthians 1:1 refer to the same man, the text would suggest a notable change in relationship from synagogue leadership to association with Paul, though that link remains inferential.
The name is Greek, Σωσθένης (Sōsthénēs). The form in 1 Corinthians 1:1 is a personal name, not a title or theological term.
Sosthenes has no direct doctrinal teaching attached to his name, but he illustrates the personal and historical character of the New Testament record. If Acts 18:17 and 1 Corinthians 1:1 refer to the same man, his presence also suggests the reach of the gospel into real civic and synagogue settings.
The entry is historically descriptive rather than conceptually theological. Its value lies in identifying a real person within the biblical narrative and in distinguishing explicit statement from reasonable inference.
The Bible does not explicitly say that the Sosthenes of Acts 18:17 and the Sosthenes of 1 Corinthians 1:1 are the same person. That connection is plausible and commonly suggested, but it should be presented as a cautious inference rather than certainty.
Most interpreters regard the two references as likely connected, but the identification cannot be proven from Scripture alone. A careful entry should acknowledge both the likelihood and the textual silence.
No doctrine depends on identifying both references as the same man. The entry should remain historical and descriptive, avoiding overstatement about conversion, office, or ministry beyond what the text says.
Sosthenes reminds readers that the gospel works in real places among real people. If the two references point to the same man, his account also suggests that God can move a person from opposition or local prominence into helpful association with the church.