处长英文

section chief就可以，就是部门主管，感觉企事业单位也可以写成section manager。感觉政府部门还是section chief更合适。科长也可以这么叫。

Director

chief 与head都过于抽象，具体要看什么处：人事处处长：Director of Department of Personnel销售处处长：Director of Sales Department; 或：Director of Marketing Department后勤处处长：Director of Logistic Section教务处长： Dean of Studies 或 Registrar

section chief或Department head都可以

献丑了：科长： SECTION CHIEF处长：DIRECTOR OF A DIVISION局长： DIRECTOR—GENERAL OF A BUREAU厅长：DIRECTOR—GENERAL OF A DEPARTMENT