Sinbad IV (or Scheherazad IV) was a planet located somewhere in the space of the galaxy's Alpha or Beta Quadrants, the fourth planet in orbit of the Scheherazad star system, at coordinates 5.60S 0.20E.

In the 23rd century, Sinbad IV was home to a Human colony, a noted trade center. (FASA RPG module: The Federation)

This planet was the location of the Battle of Sinbad IV during the Four Years War between the Federation and the Klingon Empire. (ST module: The Four Years War)

By reference stardate 2/2306.01, the world had a population of 1.38 billion individuals, mostly Human, and the government was a full-status colonial member of the Federation. (FASA RPG module: The Federation)