Liga proti rakovině Praha je členem
UICC (International Union Against Cancer – Mezinárodní unie proti rakovině) a
ECL (Association of European Cancer Leagues – Asociace evropských lig proti rakovině).
Spolupracuje s jednotlivými organizacemi podobného zaměření na celém světě
a při setkání na mezinárodní úrovni si vyměňuje zkušenosti o možnostech
prevence i léčení rakoviny.
Austrian Cancer League
Belgian Federation Against Cancer
Flemish League Against Cancer
Croatian League Against Cancer
Cyprus Association of Cancer Patients and Friends
The Cyprus Anti-Cancer Society
Danish Cancer Society
Deutsche Krebsgesellschaft e.V.
The Faroe Cancer Society
Estonian Cancer Society
Cancer Society of Finland
French League Against Cancer
German Cancer Society
German Cancer Aid
Helenic Society of Oncology
Hellenic Cancer Society
Hungarian League Against Cancer
The Icelandic Cancer Society
Irish Cancer Society
Israel Cancer Association
Associazione Italiana Malati di Cancro
Italian League Against Cancer
Luxembourgish Foundation Against Cancer
Dutch Association of Comprehensive Cancer Centres
Dutch Cancer Society
Norwegian Cancer Society
Polish Anti – Cancer Committee
League Against Cancer Slovakia
The Association of Slovenian Cancer Societies
Spanish Association Against Cancer
Swedish Cancer Society
Swiss Cancer Society
Cancer BACUP
Cancer Research Campaign
Imperial Cancer Research Fund
TENOVUS
Ulster Cancer Foundation