Ottawa Public Library

The Embassy of Norway in Ottawa was established in 1949. The main task of the embassy is to promote Norwegian interests in Canada and further develop Norwegian-Canadian relations. In addition to the embassy there are eleven Norwegian Honorary Consuls in different locations in Canada.

Consulate and Embassy of Kazakhstan to Canada, Ottawa is the diplomatic mission of Kazakhstan in Canada. The embassy is located at 150 Metcalfe St., Suites 702, Ottawa, ON, K2P 1P1.

St. Peter's & St. Paul's Anglican Church, formerly known as St. George's, is an Anglican church in the downtown core of Ottawa, Ontario, Canada.

The Centre for the Study of Living Standards (CSLS) is a nonprofit research organization and think tank based in Ottawa, Ontario. Its objectives are to create a better understanding of trends in living standards and factors determining trends through research and contribute to public debate on living standards by developing and advocating specific policies through expert consensus. The CSLS is also the publisher of an economic journal entitled the International Productivity Monitor.

The Ottawa International Film Festival (OIFF) was an Ottawa-based, publicly attended film festival that held its first annual competition in 2010. The festival ran annually for three days. The festival screened shorts and feature-length films of any genre and of any country of origin. The 2010 program yielded one full day of Canadian films and another day of international films. Closely linked to local 72-hour film challenges, the Second Ottawa International Film Festival ran from August 17–21, 2011. The 2011 program presented 24 short films and seven feature films, including three world premieres and one each of Canadian and Ottawa premieres. The festival closed with a competition of locally produced music videos and bands. Hollywood producer Aaron Ryder had been linked to the festival and provided a Q + A after screening his films Donnie Darko and Memento in the August program. Ottawa-based film A Violent State by director Adrian Langley was awarded the 2011 Lieutenant's Pump Award for Best Film.The festival was last staged in 2015. In its place, a new International Film Festival of Ottawa (IFFO) was organized by the Canadian Film Institute to launch in 2020.

The Canadian Psychological Association (CPA) is the primary organization representing psychologists throughout Canada. It was organized in 1939 and incorporated under the Canada Corporations Act, Part II, in May 1950. Its objectives are to improve the health and welfare of all Canadians; to promote excellence and innovation in psychological research, education, and practice; to promote the advancement, development, dissemination, and application of psychological knowledge; and to provide high-quality services to members.

The Treasury Board of Canada (French: Conseil du Trésor du Canada) is the Cabinet committee of the Privy Council of Canada which oversees the spending and operation of the Government of Canada and is the principal employer of the core public service. The committee is supported by the Treasury Board of Canada Secretariat, its administrative branch and a department within the government itself. The committee is chaired by the president of the Treasury Board, currently Mona Fortier, who is also the minister responsible for the Treasury Board of Canada Secretariat.

The High Commission of the Organisation of Eastern Caribbean States in Ottawa (OECS) was a regional High Commission office for multiple island-nations that are members of the Organisation of Eastern Caribbean States. The office was located on Albert Street in the Canadian capital Ottawa. The office was closed permanently in 2011 for financial reasons. It has been replaced by an Eastern Caribbean Liaison Service which works with the Canada/Caribbean Seasonal Agricultural Workers Programme

The Lord Elgin Hotel is a prominent hotel in Ottawa, Ontario, Canada. With 355 guest rooms, it is located at 100 Elgin Street at Laurier Avenue, across from Confederation Park in Downtown Ottawa. The twelve-storey limestone structure was named after James Bruce, 8th Earl of Elgin, the first Governor General of the united Canadas.

First Baptist Church is a Baptist church in Ottawa, Ontario, Canada. It is affiliated with the Canadian Baptists of Ontario and Quebec.

Inuit Tapiriit Kanatami, (Inuktitut syllabics: ᐃᓄᐃᑦ ᑕᐱᕇᑦ ᑲᓇᑕᒥ, meaning "Inuit are united in Canada") previously known as the Inuit Tapirisat of Canada (Eskimo Brotherhood of Canada), is a nonprofit organization in Canada that represents over 65,000 Inuit across Inuit Nunangat and the rest of Canada. Their mission is to "serve as a national voice protecting and advancing the rights and interests of Inuit in Canada."Founded in 1971 by Inuit leaders, the organization has gone to accomplish various things such as, assisting in the negotiation of land claims, representing the voice of Inuit and their culture by using television, taking legal action against those who have violated their rights, and creating a program to improve education for Inuit children. The ITK has sought to attain its goals, either in cooperation with various levels of government or in opposition. Altogether, the ITK looks to advocate on the behalf of Inuit in Canada. The contributions of the ITK led to the creation of Nunavut.

The Embassy of Ireland is Ireland's embassy in Canada. It is located at 130 Albert Street in the 11th Floor, in the city's downtown core of Ottawa, Ontario, Canada. Dr. Eamonn C. McKee has served as Ambassador since October 2020.Ireland has a consulate-general in Vancouver and honorary consulates in Calgary, Edmonton, Montreal and St. John's.