Cognomen Phichak (Phichak 
) , around the globe, is an extremely rare family name. Much more frequently, Phichak is the forename as well as the last name.
Somdee, Lueasrichan, Natenuj, Khruttha, Phisutchakrawal, Phutrakhul, Phetsong, Rerkvised, Tachakaew, Wirotchanaphirom, Jarusiriwat, Chinwanitjaroen, Phanichpornpan, Limprasutr, Khachonsiriphaisan, and Phaipraditphon