Claire Foster may refer to:

• Claire Fox, also known as Claire Foster, director and founder of the British think tank, the Institute of Ideas
• Clare Foster, British musical theatre actress

• Peter Teeley
• Peter Tekeli
• Peter Telep
• Peter Temple (regicide)
• Peter Tennant
• Peter Tereanszki-Toth
• Peter Terrence Blackmore
• Peter Tessem and Paul Knutsen
• Peter T. Farrell
• Peter Thaler
• Peter Thangaraj
• Peter the Athonite
• Peter the caid
• Peter "The Chief" Graham
• Peter the Deacon (chronicler)
• Peter the Deacon (disambiguation)
• Peter the Dyer
• Peter the Fat
• Peter the great
• Peter the Great (disambiguation)
• Peter the Great (Faberge egg)
• Peter the Great Hall
• Peter the Great: His Life and World
• Peter the Great (miniseries)
• Peter the Great reformation - causes and implementation