Brooke Alexander (born December 13, 1963) is an American actress. In 1980 she was Miss Hawaii World, later crowned Miss World America, giving her the right to compete in the 1980 Miss World pageant where she placed as 6th runner-up. She is best known for her role as con-artist Samantha Markham in As the World Turns (1994-1996).

Alexander was born in Kailua, Oahu, Hawaii. She attended college at UCLA.

She originated the role of con-artist Samantha Markham on As the World Turns in 1994 and played the role until 1996. She has had roles in Magnum, P.I., Island Son, P.S. I Luv U, Tattingers, and The Last Nightmaster and has also appeared on One Life to Live.

She was host of the "WorldBeat" on CNN, then moved to Fox News in a correspondent capacity, also appearing daily in segments previewing the day's program schedule.

From 2006 to 2007, she was a host of the "Real Simple" lifestyle television program based on the magazine of the same name.

In early 2008, Alexander worked as a commercial spokeswoman for the "Energy Tomorrow" campaign from the American Petroleum Institute.

On September 26, 2009, Alexander married tennis player Marko Zelenovic.

In 2011 she appeared on the episode "Loa Aloha" in the first season of Hawaii Five-0, as Diana Meachum.