James Lee Arnold (born March 24, 1974) is an American former professional baseball right-handed pitcher.

Signed as a minor league free agent by the Los Angeles Dodgers after the 1998 season, Arnold made his Major League Baseball (MLB) debut with the Dodgers on April 20, 1999, against the Braves, working 2 scoreless innings.

He failed to make the Dodgers Opening Day roster in 2000 and spent the first half of the season primarily with the Albuquerque Dukes.

On July 26, 2000, the Dodgers traded him (along with Jorge Piedra to the Chicago Cubs for Ismael Valdes.

Released after the season, he pitched in the minors for two more years, first with the Fresno Grizzlies in the San Francisco Giants system and then with the Florida Marlins Triple-A team, the Calgary Cannons.