The Toronto International Film Festival (TIFF) is the world's largest documentary film festival, showcasing over 300 documentaries each year.

The Sundance Film Festival is an annual film festival held in Park City, Utah, United States. It is one of the largest independent film festivals in the world.

IDFA (International Documentary Film Festival Amsterdam) is an annual documentary film festival held in Amsterdam, Netherlands. It is one of the largest documentary film festivals in the world.

CPH:DOX (Copenhagen International Documentary Film Festival) is an annual documentary film festival held in Copenhagen, Denmark. It is one of the largest documentary film festivals in the world.

Sheffield Doc/Fest is an annual documentary film festival held in Sheffield, United Kingdom. It is one of the largest documentary film festivals in the world.

Hot Docs Canadian International Documentary Festival is an annual documentary film festival held in Toronto, Canada. It is one of the largest documentary film festivals in the world.

Full Frame Documentary Film Festival is an annual documentary film festival held in Durham, North Carolina. It is one of the largest documentary film festivals in the world.

AFI Docs is an annual documentary film festival held in Washington, D.C. It is one of the largest documentary film festivals in the world.

One World Film Festival is an annual documentary film festival held in Prague, Czech Republic. It is one of the largest documentary film festivals in the world.

山形国際ドキュメンタリー映画祭 (Yamagata International Documentary Film Festival) is an annual documentary film festival held in Yamagata, Japan. It is one of the largest documentary film festivals in the world.

Kraków Film Festival is an annual documentary film festival held in Kraków, Poland. It is one of the largest documentary film festivals in the world.

Ji.hlava International Documentary Film Festival is an annual documentary film festival held in Jihlava, Czech Republic. It is one of the largest documentary film festivals in the world.

DOK Leipzig is an annual documentary film festival held in Leipzig, Germany. It is one of the largest documentary film festivals in the world.

ZagrebDox is an annual documentary film festival held in Zagreb, Croatia. It is one of the largest documentary film festivals in the world.

DocsBarcelona is an annual documentary film festival held in Barcelona, Spain. It is one of the largest documentary film festivals in the world.