Alfred Johnson

• Alfred "Centennial" Johnson, Danish-born fisherman and sailor
• Alfred Wilkinson Johnson, U.S. Navy officer
• Alfred F. Johnson, English academic librarian and expert in typography
• Alfred I. Johnson, Minnesota politician
• Al Johnson , American R&B singer, writer, arranger and producer
• Alfred E. Johnson, anthropologist and archaeologist at the University of Kansas
• Alfred C. Johnson, American molecular biologist