The 24th Boston Society of Film Critics Awards, honoring the best in filmmaking in 2003, were given on 14 December 2003.

Winners

• Best Film:
  • Mystic River
  • Runner-up: Lost in Translation
• Best Actor:
  • Bill Murray – Lost in Translation
  • Runner-up: Sean Penn – Mystic River
• Best Actress:
  • Scarlett Johansson – Lost in Translation
  • Runner-up: Naomi Watts – 21 Grams
• Best Supporting Actor:
  • Peter Sarsgaard – Shattered Glass
  • Runner-up: Alec Baldwin – The Cooler
• Best Supporting Actress:
  • Patricia Clarkson – Pieces of April and The Station Agent
  • Runner-up: Ludivine Sagnier – Swimming Pool
• Best Director:
  • Sofia Coppola – Lost in Translation
  • Runner-up: Peter Jackson – The Lord of the Rings: The Return of the King
• Best Screenplay:
  • Shari Springer Berman and Robert Pulcini – American Splendor
  • Runner-up: Sofia Coppola – Lost in Translation
• Best Cinematography:
  • Olli Barbé et al. – Winged Migration (Le peuple migrateur)
  • Runner-up: Benoît Debie and Gaspar Noé – Irréversible
• Best Documentary:
  • Capturing the Friedmans
  • Runner-up: The Fog of War
• Best Foreign-Language Film:
  • The Triplets of Belleville (Les triplettes de Belleville) • France/Canada/Belgium
  • Runner-up: Irréversible • France
• Best New Filmmaker:
  • Andrew Jarecki – Capturing the Friedmans
  • Runner-up: Sylvain Chomet – The Triplets of Belleville (Les triplettes de Belleville)
• Best Ensemble Cast:
  • Mystic River
  • Runner-up: A Mighty Wind