Diploma is a certificate awarded by an educational institution, such as a college or university, testifying that the recipient has successfully completed a particular course of study.
The term "diploma" can also refer to:
1. An official document confirming a qualification or award
2. A high school diploma - awarded upon graduation from secondary school
3. A postgraduate diploma - an academic qualification taken after a bachelor's degree
4. In some countries, a diploma may represent a lower qualification than a degree