She will have talks with British, Dutch and Singaporean leaders and foreign minister counterparts.
At the summit, leaders will discuss ongoing international co-operation on nuclear security and the threat of terrorists acquiring nuclear material or sabotaging nuclear facilities.
Ms Bishop will sign an agreement with Ukrainian President Petro Poroshenko to supply uranium for power.
Australia already supplies uranium to Canada, China, France, India, Japan, South Korea, Russia, the UK and the US.