Exhibit 21.1

List of subsidiaries of Roku, Inc.

Subsidiary Name | Jurisdiction
DataXu India Private Limited | India
Purple Tag Enterprises, LLC | Delaware, United States
Purple Tag Media Technology (Shanghai Ltd) | China
Purple Tag Productions, LLC | Delaware, United States
Roku Brasil Servicos de Conteudo de Midia Ltda. | Brazil
Roku Canada, Inc. | Canada
Roku Comericio de Produtos Electronicos Ltda. | Brazil
Roku Denmark ApS | Denmark
Roku DX Holdings, Inc. | Delaware, United States
Roku DX UK Ltd | United Kingdom
Roku Europe Limited | United Kingdom
Roku Holdings, Inc. | Delaware, United States
Roku Netherlands B.V. | Netherlands
Roku Technologies International Limited | Ireland