CTSU may refer to:

• Clinical Trial Service Unit at Oxford University
• Cancer Trials Support Unit, a service of the U.S. National Cancer Institute

• Albert G. Prodell Middle School
• Albert Graff
• Albert Grajales
• Albert Grant (disambiguation)
• Albert Grant (MP)
• Albert Gray
• Albert Grayland
• Albert Green (footballer)
• Albert Gregorius
• Albert Gregory Waller
• Albert Grenier
• Albert Grenier (historian)
• Albert Grey (disambiguation)
• Albert G. Richards
• Albert Grisar (sailor)
• Albert Groves (footballer born 1883)
• Albert Groves (footballer, born 1883)
• Albert Gruen
• Albert Grun
• Albert Grunow
• Albert Grzymala
• Albert Grzymała
• Albert Grün
• Albert Gudmundsson (footballer born 1958)
• Albert Guinchard