New Living Translation
The LORD will punish the world by fire and by his sword. He will judge the earth, and many will be killed by him.

American Standard Version
For by fire will Jehovah execute judgment, and by his sword, upon all flesh; and the slain of Jehovah shall be many.

Berean Study Bible
For by fire and by His sword, the LORD will execute judgment on all flesh, and many will be slain by the LORD.

Douay-Rheims Bible
For the Lord shall judge by fire, and by his sword unto all flesh, and the slain of the Lord shall be many.

English Revised Version
For by fire will the LORD plead, and by his sword, with all flesh: and the slain of the LORD shall be many.

King James Bible
For by fire and by his sword will the LORD plead with all flesh: and the slain of the LORD shall be many.

World English Bible
For by fire will Yahweh execute judgment, and by his sword, on all flesh; and the slain of Yahweh shall be many.

Young's Literal Translation
For by fire and by His sword, Doth Jehovah do judgment with all flesh. And many have been Jehovah's pierced ones.'

Isaiah 66:16 Additional Translations ...