Kannel
Kannel may refer to:

Kannel (telecommunications), an open source Wireless Application Protocol (WAP) and Short Message Service (SMS) gateway for UNIX operating systems.
Kannel (instrument), an Estonian zither similar to the Finnish kantele

People
Astrid Kannel (born 1967), Estonian television journalist
Theophilus Van Kannel (1841–1919), American who invented the revolving door