New Living Translation
Now a mediator is helpful if more than one party must reach an agreement. But God, who is one, did not use a mediator when he gave his promise to Abraham.

American Standard Version
Now a mediator is not a mediator of one; but God is one.

Berean Study Bible
A mediator is unnecessary, however, for only one party; but God is one.

Douay-Rheims Bible
Now a mediator is not of one: but God is one.

English Revised Version
Now a mediator is not a mediator of one; but God is one.

King James Bible
Now a mediator is not a mediator of one, but God is one.

World English Bible
Now a mediator is not between one, but God is one.

Young's Literal Translation
and the mediator is not of one, and God is one --

Galatians 3:20 Additional Translations ...