Donald Lee Iglehart (born 1933) is an American computer scientist and researcher.
He was born on 11 May 1933.
He completed his PhD at Stanford University in 1961.
His doctoral dissertation supervisors were Herbert Eli Scarf and Samuel Karlin.
He became a full professor at Stanford University in 1967.
He supervised the doctoral dissertations of several notable PhD students, these include: Ward Whitt, Rick Durrett and Roger C. Glassey.
He was jointly awarded the John von Neumann Theory Prize in 2002 with Cyrus Derman for their fundamental contributions to performance analysis and optimization of stochastic systems.