Zewail was bestowed honorary degrees by the following institutions: 
University of Oxford, UK (1991); 
The American University in Cairo, Egypt (1993);
Katholieke Universiteit, Leuven, Belgium (1997);
University of Pennsylvania, US (1997);
University of Lausanne, Switzerland (1997);
Swinburne University of Technology, Australia (1999);
Arab Academy for Science, Technology & Maritime Transport, Egypt (1999);
D.Sc. Alexandria University, Egypt (1999); 
D.Sc. University of New Brunswick, Canada (2000); 
Sapienza University of Rome, Italy (2000);
University of Liège, Belgium (2000);
Heriot-Watt University, Scotland (2002);
Lund University, Sweden (2003);
Cambridge University (2006); 
Complutense University of Madrid, Spain (2008); 
University of Jordan, Jordan (2009); 
University of Glasgow, Scotland (2011); 
Yale University, US (2014).