Gholamhossein Mosahab (October 13, 1910 – 1979) was an Iranian mathematician and logician whose works have been praised by other scholars such as Iraj Afshar and Najaf Daryabandari.

Being fluent in Persian, Arabic, French and English, he studied in Iran, France and England; and received his PhD from Cambridge University.

The 1996 publication of The Persian Encyclopedia gave credited authorship to himself, Ahmad Aram and Mahmoud Mosahab.

On June 28, 2009 it was announced that the 100th book released from the Society for the Appreciation of Cultural Works and Dignitaries had been allocated to the life, scientific and cultural works of the late Gholamhossien Mosahab.

In it are many of Mosahab's published works including an article entitled The First Trigonometry Book, as well as appraisals from other scholars.