This is a list of active youth orchestras. National youth orchestras are highlighted in bold.

Asia

• Arab Youth Philharmonic Orchestra
• Asian Youth Orchestra

Afghanistan

• Afghan Youth Orchestra

Cambodia

• Angkor National Youth Orchestra

China

• National Youth Orchestra of China
• Guangzhou Symphony Youth Orchestra

Hong Kong

• Metropolitan Youth Orchestra of Hong Kong
• Hong Kong Festival Orchestra

India

• India National Youth Orchestra

Iraq

• National Youth Orchestra of Iraq

Israel

• Young Israel Philharmonic Orchestra

Japan

• Fukushima Youth Sinfonietta

Malaysia

• Malaysian Philharmonic Youth Orchestra

Singapore

• Singapore National Youth Orchestra

Thailand

• Siam Sinfonietta

Turkey

• Turkish National Youth Philharmonic Orchestra

Africa

South Africa

• South African National Youth Orchestra Foundation
• Johannesburg Youth Orchestra

Europe

• European Union Youth Orchestra
• European Union Baroque Orchestra
• Gustav Mahler Youth Orchestra
• Internationale Junge Orchesterakademie
• Junges Klangforum Mitte Europa
• Kremerata Baltica
• Baltic Sea Philharmonic

Austria

• Wiener Jeunesse Orchester

Denmark

• Danish Youth Ensemble

Finland

• Helsinki Strings

France

• Orchestre Français des Jeunes

Germany

• Bundesjugendorchester
• Junge Deutsche Philharmonie
• Deutsche Streicherphilharmonie
• Landesjugendorchester Baden-Württemberg

Greece

• Greek Youth Symphony Orchestra

Ireland

• National Youth Orchestra of Ireland
• Cross Border Orchestra of Ireland
• Galway Youth Orchestra

Italy

• Orchestra Giovanile Italiana

Moldova

• Moldovan National Youth Orchestra

Netherlands

• National Youth Orchestra of the Netherlands

Norway

• Norwegian National Youth Orchestra

Poland

• Polish Sinfonia Iuventus Orchestra

Portugal

• Portuguese Youth Orchestra
• Portuguese Chamber Orchestra

Romania

• Romanian Youth Orchestra

Slovakia

• Slovak Youth Orchestra

Spain

• Spanish National Youth Orchestra

Russia

• Russian National Youth Symphony Orchestra

Sweden

• El Sistema Sweden National Orchestra
• Stockholm Youth Symphony Orchestra

United Kingdom

• National Youth Orchestra of Great Britain
• National Children's Orchestra of Great Britain
• National Schools Symphony Orchestra
• National Scout and Guide Symphony Orchestra
• National Youth String Orchestra
• National Youth Wind Orchestra of Great Britain

England

• CBSO Youth Orchestra
• City of Sheffield Youth Orchestra
• Colne Valley Training Orchestra
• Colne Valley Youth Orchestra
• Leicestershire Schools Symphony Orchestra
• London Schools Symphony Orchestra
• Nottingham Youth Orchestra
• Reading Youth Orchestra
• Somerset County Youth Orchestra
• South Tyneside Youth Orchestra
• Stockport Youth Orchestra
• Suffolk Youth Orchestra
• Tees Valley Youth Orchestra
• Wessex Youth Orchestra

Scotland

• National Youth Orchestras of Scotland
• West of Scotland Schools Symphony Orchestra

Wales

• National Youth Orchestra of Wales

Oceania

Australia

• Australian Youth Orchestra
• ABC Sinfonia
• Adelaide Youth Orchestra
• Australian Youth Orchestra
• Canberra Youth Orchestra
• Melbourne String Ensemble
• Queensland Youth Orchestras
• SBS Radio and Television Youth Orchestra
• Sydney Youth Orchestra
• Victorian Youth Symphony Orchestra
• West Australian Youth Jazz Orchestra

New Zealand

• National Youth Orchestra of New Zealand

Americas

• American Heritage Lyceum Philharmonic

Canada

• National Youth Orchestra of Canada
• Montreal Youth Symphony Orchestra
• New Brunswick Youth Orchestra
• Richmond Delta Youth Orchestra
• Saskatoon Youth Orchestra
• Toronto Symphony Youth Orchestra
• Vancouver Youth Symphony Orchestra

Chile

• National Youth Symphony Orchestra of Chile

Colombia

• Colombian Youth Philharmonic

Dominican Republic

• National Youth Symphony Orchestra of the Dominican Republic

United States

• National Youth Orchestra of the United States of America

Venezuela

• Simón Bolívar Symphony Orchestra
• Simón Bolívar Youth Symphonic Band