Official Languages Act
- British Hong Kong
- India
- National Assembly for Wales (Official Languages) Act 2012
- Official Language Act (Quebec)
- Official Language Act of 1956 (Sri Lanka)
- Official Languages Act (Canada)
- Official Languages Act (New Brunswick)
- Official Languages Act (Northwest Territories)
- Official Languages Act 2003
- Official Languages Act, 1963
- Official Languages Ordinance
- Parliament of Canada