Introduced by Pierre Trudeau in the omnibus bill The Criminal Law Amendment Act, 1968-69.

Through the case Halpern v. Canada, the definition of marriage as "one man and one woman" was changed to “the voluntary union for life of two persons to the exclusion of all others” to comply with the couples' equality rights under section 15(1) of the Charter of Rights and Freedoms.

Ontario-born can now change their assigned gender on their birth certificate without proof of surgery. Other documents can be changed regardless of birthplace without proof of surgery.

There are no laws in Canada against same-sex couples adoption children.

Ontario's Human Rights Code prohibits discrimination and harassment because of sexual orientation, gender identity, and gender expression in housing, contracts, employment, goods, services, facilities, and membership in unions or professional associations.

The Code is enforced by the Ontario Human Rights Commission.

Ontario's Human Rights Code states that every person has a right to equal treatment with respect to employment without discrimination or harassment because of gender identity, gender expression, or sexual orientation.

The Code is enforced by the Ontario Human Rights Commission.

Various forms of discrimination are prohibited for protected classes including sexual orientation, gender identity, and gender expression.

Covered by federal law, Ontario has no provincial military.

According to the Canadian Blood Bank.

No

On June 4, Ontario unanimously passed a Bill 77 "Affirming Sexual Orientation and Gender Identity Act" banning "any practice that seeks to change or direct the sexual orientation or gender identity of a patient under 18 years of age, including efforts to change or direct the patient's behavior or gender expression."