CPT or Cpt may stand for:
- Captain (disambiguation) (Cpt.), a rank or title
- CBS Paramount Television, a former TV branch of CBS now known as CBS Television Studios
- Certified Penetration Tester, a penetration testing certification offered by the IACRB
- Certified Performance Technologist, specialist in performance improvement; a credential offered by ISPI
- Colored People's Time, an American expression concerning African American timekeeping
- Columbia Pictures Television, the TV branch of Columbia Pictures
- Computerized Placement Test
- Cost per thousand, a method of calculating the relative cost of an advertising campaign
- Curricular Practical Training, temporary employment authorization during a non-immigrant student's post-secondary coursework
- Certified Piano Technician
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