Exhibit 21.1

List of Subsidiaries of Clovis Oncology, Inc.

Name:

Jurisdiction of Organization:

Clovis Oncology UK Limited

United Kingdom

Clovis Oncology IT Srl

Italy

Clovis Oncology Switzerland GmbH

Switzerland

Clovis Oncology France SAS

France

Clovis Oncology Spain SL

Spain

Clovis Oncology Germany GmbH

Germany

Clovis Oncology Denmark ApS

Denmark

Clovis Oncology Ireland Limited

Ireland