Web Forums
Perl Monks
The premiere web forum for Perl people. It's in English, and offers many interesting categories. Complete archive of all past discussions is available.
Stack Overflow
A free-of-charge and high-quality Questions and Answers board which allows one to post questions and receive answers, or alternatively answer other people's questions. There's an active perl category there.
use Perl; (use.perl.org)
A News site and a central blogs site for the Perl community. Uses the same Perl-based and open-source engine as Slashdot, but tends to be much more civil. Complete archive of all past discussions is available.
The Perl Community on LiveJournal
A low-volume forum, but one that attracted many experts, and can offer a lot of good advice.
Localised Forums
Whatsup's Hebrew Programming Forum
A forum in Hebrew hosted on the Whatsup.org.il Israeli Linux Portal.