Ocean Jokes and Riddles - Several fish riddles. - http://www.theoceanadventure.com/Kids%20Page/jokes.html
Squigly's Jokes and Riddles - Riddles and knock-knock jokes from all around the world. - http://www.squiglysplayhouse.com/JokesAndRiddles/
Winnie-the-Pooh - Features visitor-submitted jokes and riddles related to Winnie-the-Pooh and his friends in the 100 Aker Woods. - http://www.lavasurfer.com/pooh-jokes.html
NIEHS Kids' Pages - Jokes and riddle-jokes galore. - http://www.niehs.nih.gov/kids/jokes.htm
Mike's Jokes for Kids - Collected and sent children's riddles and jokes. - http://www.billnkaz.demon.co.uk/jokes.htm
Joke-O-Rama - General silliness, creepy crawlies, spooky creatures and many more riddle-jokes. - http://www.whatalulu.com/index-4Jokes.html
Fruit and Veggie Riddles - Writing riddles using different names of fruits and vegetables. - http://lincoln.midcoast.com/~wps/3mnutrition/riddles.html
Eight Riddles - Tricky riddles with pictures. - http://www.scottforesman.com/resources/riddles/mathrid.html
Braingle: Brain Teasers & Riddles - User submitted and ranked brain teasers, riddles, logic problems and mind puzzles. - http://www.braingle.com/Riddle.html