http://isnt.autistics.org/index.html -A parody of typical Autism sites where the “tables are turned” and “NT-ness” is the “disease”. (This humor is mainly made to appeal to Autistics, but I think others may giggle at it)
http://autismisred.blogspot.com/2007/08/dinnert… Knock Knock jokes! yay!
FUNNY comics about an Autistic boy named Joey: http://www.autismfamilystyle.com/page/page/5366… (I think the parents of Autistics will see their offspring in many of the situations!)
Odd article on humor and Autism: http://www.aspergerssyndrome.org/PDF/ASA2008_Hu… (be warned, it is a PDF!)