Mary Fraser may refer to:

• Mary Crawford Fraser (1851–1922), American writer
• Mary Isabel Fraser (1863–1942), New Zealand school principal and educationalist

• Sirras of Elimia
• Sir Ratan Tata Trust
• Sir Ravindra Jadeja
• Sir Ray Avery
• Sir Raylton Dixon
• Sir Raylton Dixon & Co.
• Sir Raymond Lionel Leane
• Sir Raymond Unwin
• Sir Raymund George Hart
• Sir Raymund Hart
• Sir, Razavi Khorasan
• Sir R. C. Hoare
• Sirr (disambiguation)
• Sir Reader Bullard
• Sir Rees Davies
• Sir Reg
• SIR REG
• Sir Reginald Bacon
• Sir Reginald Bennett
• Sir Reginald Bond
• Sir Reginald Brade
• Sir Reginald Conyers
• Sir Reginald Herbert Embleton Emson
• Sir Reginald Mohun, 1st Baronet
• Sir Reginald Murley