Notable present and past Lehigh University faculty include:

• Ferdinand P. Beer
• Michael Behe
• Donald T. Campbell
• Huai-Dong Cao
• Fazıl Erdoğan - Member of the National Academy of Engineering
• Maurice Ewing
• Dan M. Frangopol
• Lawrence H. Gipson
• Joseph I. Goldstein
• John Grogan
• John E. Hare
• Joachim Grenestedt
• Terry Hart
• Daniel Chonghan Hong
• Thomas Hyclak
• George Rankine Irwin
• Stanley J. Jaworski
• Derrick Henry Lehmer
• Alexander Macfarlane
• Gordon Moskowitz
• Ronald Rivlin
• Miles Rock graduated in the first class from Lehigh in 1869. Notable for helping define the Guatemalan and Mexican border.
• Rajan Menon
• Dork Sahagian- Nobel Laureate
• Greg Strobel
• Miranda Teboh-Ewungkem
• André Weil
• Ricardo Viera
• Stephanie Powell Watts
• George D. Watkins, member of the National Academy of Sciences
• Albert Wilansky, discoverer of the mathematical property of Smith numbers through his brother-in-law Harold Smith's phone number, 493-7775