Syntyche
Syntyche is a Christian woman in the church at Philippi, named alongside Euodia in Paul's appeal that the two be reconciled.
Paul's Appeal at Philippi
The exhortation is brief and personal: "I exhort Euodia, and I exhort Syntyche, to be of the same mind in the Lord" (Php 4:2). Paul names each woman in turn — the doubled "I exhort" addresses them as equals — and locates the reconciliation he asks of them in the Lord. The verse is the only place Syntyche is named.