John Forester or Forrester may refer to:

Politicians

• John Foster (by 1508 – between 1547 and 1551), a.k.a. John Forester
• John Howard Forester (1887–1958), Canadian politician
• John B. Forester (died 1845), American politician from Tennessee
• John Forrester (politician) (1924–2007), British politician

Others

• John Forester (cyclist) (1929–2020), American cycling activist
• John F. Forester, American planning theorist
• John Forrester (historian) (1949–2015), British historian and philosopher
• John Forrester (trade unionist) (died 1978), British trade union official
• John Forrester (umpire) (1887–1946), New Zealand cricket umpire

See also

• Jack Forrester of Nebraska State League
• John Foster (disambiguation)