The Haiku Corner
An extensive collection of Haiku authors

Hi-Rise Haiku:
This is a more modern western approach to haiku

Reflections - A Haiku Diary:
A lovely site with individual authors each issue.

Chaba - A Haiku e-journal:
Features Modern, Retrospective and essays on Haiku .

The Shiki Internet Haiku Salon.
Another beautiful Haiku site. Runs mailing lists for Haiku and Tanka.

Haiku Hypertext Gardens
Check this one out for an experiment in Hypertext.

Kametaro
Another site worth checking out.

Haiku for People
Apparantly, most Haiku is written for fish ;).