Tidal king of Goyim is a monarch mentioned in Genesis 14:1. The word goyim in Biblical Hebrew can be translated as "nations" or "peoples" or "ethnic groups" (in modern Hebrew it means "Gentiles") although Bible commentaries suggest that that in this verse it may instead be a reference to the region of Gutium

Gutium

The Gutians were a tribe that overran southern Mesopotamia when the Akkadian empire collapsed in approximately 2154 BC....

. Tidal was one of the four kings that fought Abraham

Abraham

Abraham , whose birth name was Abram, is the eponym of the Abrahamic religions, among which are Judaism, Christianity and Islam...

 in the Battle of the Vale of Siddim

Battle of the Vale of Siddim

The Battle of Siddim, or Battle of the Vale of Siddim refers to an event in the Hebrew Bible book of that occurred in the days of Abram and Lot...

.

Theories about the name

• The name Tidal is considered equivalent to Tudhaliya
  Tudhaliya
  Tudhaliya is the name of several Hittite kings*Tudhaliya is a hypothetic pre-Empire king of the Hittites. He would have reigned in the late 17th century BC . Forlanini conjectures that this king corresponds to the great-grandfather of Hattusili I.*Tudhaliya I , ruled ca...
  
  , the name both of a Proto-Hittite king and a Hittite
  Hittites
  The Hittites were a Bronze Age people of Anatolia.They established a kingdom centered at Hattusa in north-central Anatolia c. the 18th century BC. The Hittite empire reached its height c...
  
   king. The name continued as "Tudal" down to the Neo-Hittite period.
• According to David Rohl
  David Rohl
  New Chronology is the term used to describe an alternative Chronology of the ancient Near East developed by English Egyptologist David Rohl and other researchers beginning with A Test of Time: The Bible - from Myth to History in 1995...
  
  , Tidal is the same as Tishdal
  Tishdal
  Tishdal was a Hurrian ruler from the Zagros mountains. According to David Rohl, he is identifiable with Tidal, king of Goyim from the Book of Genesis, 14:1...
  
  , a Hurrian ruler from the Zagros mountains.