Rajaiah may refer to

• Sunnam Rajaiah - Indian politician
• T. Rajaiah - MLA
• Siricilla Rajaiah - Member of Parliament

• James Cook Astronomical Society
• James Cook (Australian footballer)
• James Cook (Australian politician)
• James Cook Ayer
• James Cook (boxer)
• James Cook (Boxer and community worker)
• James Cook Boys Technology High School
• James cook boys technology high school
• James Cooke-Collis
• James Cook Observatory
• James Cook (Skins)
• James Cook Skins
• James Cookson
• James Cook University College of Medicine and Dentistry
• James Cook University School of Business
• James Cook University School of Law
• James Coolahan
• James Cool Papa Bell
• James Cooney (American football)
• James Cooney (disambiguation)
• James Cooney (lawyer)
• James Cooney (Medal of Honor)
• James Cooney (Medal of Honor recipient)
• James Cooney (soldier)
• James Cooper House