TV.com: James MacArthur
- Contains biography, career information, and an image.
- http://www.tv.com/james-macarthur/person/31644/summary.html

James MacArthur Official Website
- Official site for the actor that includes over 5000 photographs and images, video clips, sound files, articles and interviews, detailed career highlights (film, television, stage, radio), email link, chatroom, FAQ, discussion group, mailing list, and inte
- http://jamesmacarthur.com

Yahoo! Groups: James MacArthur Official Discussion List
- Unmoderated discussion group for fans of James MacArthur, sponsored by his official fan club.
- http://groups.yahoo.com/group/JamesMacArthurOfficialForum/?yguid=166737058

Yahoo! Groups : James MacArthur Fans Discussion Group
- Moderated discussion list which also contains notices of updates to the James MacArthur Official Website and/or current news about the actor.
- http://groups.yahoo.com/group/James_MacArthur_Fans_Discussion_Group

Terri's Jack Lord Connection
- Dedicated to the show Hawaii Five-0 and all the people who made this show what it is, including Jack Lord and James MacArthur. Contains images, articles, fan fiction, and links to additional sites.
- http://www.thejacklordconnection.com

TV-Now.com - James MacArthur
- Current month TV schedule for the actor.
- http://www.tv-now.com/stars/jamesmc.html