GOD'S WORD® Translation
If we say, "We have a relationship with God" and yet live in the dark, we're lying. We aren't being truthful.

American Standard Version
If we say that we have fellowship with him and walk in the darkness, we lie, and do not the truth:

Berean Study Bible
If we say we have fellowship with Him yet walk in the darkness, we lie and do not practice the truth.

Douay-Rheims Bible
If we say that we have fellowship with him, and walk in darkness, we lie, and do not the truth.

English Revised Version
If we say that we have fellowship with him, and walk in the darkness, we lie, and do not the truth:

King James Bible
If we say that we have fellowship with him, and walk in darkness, we lie, and do not the truth:

World English Bible
If we say that we have fellowship with him and walk in the darkness, we lie, and don't tell the truth.

Young's Literal Translation
if we may say -- 'we have fellowship with Him,' and in the darkness may walk -- we lie, and do not the truth;

1 John 1:6 Additional Translations ...