The barbaric practice – which has been discredited by the NHS and the World Psychiatric Association – refers to any attempt at changing a person’s sexual orientation or gender identity and often involves techniques such as electroshock therapy or prayer.
The bill, which now goes to Senate, passed the House in a 263-63 split, with only conservative MPs and former party member and Independent MP Derek Sloan voting against.
Canada’s ruling Liberal party originally vowed to ban the harmful practice in 2019 when its election manifesto was unveiled.
Minister of Justice David Lametti tweeted that “if passed, #BillC6 will make Canada’s criminal laws on conversion therapy the most progressive and comprehensive in the world”.