Channel 19 may refer to:
CB radio channel 19 (27.185 MHz), unofficially a commonly monitored calling frequency for highway transport operators.
Canada
The following television stations broadcast on digital or analog channel 19 (UHF frequencies covering 500-506 MHz) in Canada: CBFT-DT in Montreal, Quebec CICA-DT in Toronto, Ontario CKRT-DT-6 in Trois-Pistoles, Quebec
The following television stations operate on virtual channel 19 in Canada: CICA-DT in Toronto, Ontario
Mexico
The following television stations broadcast on digital channel 19 in Mexico: XERV-TDT in Reynosa, Tamaulipas XHFAS-TDT in Fronteras, Sonora XHIMS-TDT in Ímuris, Sonora XHZAT-TDT in Zacatecas, Zacatecas
One station operates on virtual channel 19 in Mexico: XHUAA-TDT in Tijuana, Baja California