Trichonida may refer to:

• Lake Trichonida, a lake in western Greece
• Trichonida Province, a former province in western Greece

• Jan Křivohlávek
• Jan Křtitel Tolar
• Jan Kůrka
• Jan Laczny
• Jan Ladislav Dusik
• Jan Lake, Saskatchewan
• Jan Lambrecht
• Jan Lamers
• Jan Lamm
• Jan Langedijk
• Jan Langenus
• Jan Langos
• Jan Lasicki
• Jan Laski (1456–1531)
• Jan Latham-Koenig
• Jan Latvala
• Jan Laurier
• Jan-Lauritz Opstad
• Jan Lauwereyns
• Jan LA van de Snepscheut
• Jan L A van de Snepscheut
• Jan L.A. van de Snepscheut
• Janlav Narantsatsralt
• Jan Lecjaks
• Jan Lehotsky