Dorothy Dunbar Lawson (May 28, 1902 – October 23, 1992) was an American actress and socialite, who appeared in silent movies in the 1920s.

[1] She starred in several motion pictures, including her role as the heroine in The Amateur Gentleman (1926) opposite Richard Barthelmess, which attracted considerable attention for her.

While Dunbar was under contract to Film Booking Offices of America for $150 per week, she was the fourth actress who played Jane, starring in the 1927 version of the Tarzan story, Tarzan and the Golden Lion, opposite James Pierce, who played the title role.

Dunbar asked that her marriage to French husband Costa be annulled because he was "temperamental and cold."

In December 1937, she sued family members of her former husband, Wells, seeking $270,000 in trusts from his estate, because she said they had misrepresented certain papers they gave her to sign after his death.