JS Sazanami (さざなみ) is the fourth vessel of the Takanami-class destroyers of the Japan Maritime Self-Defense Force (JMSDF).

Sazanami, along with the fleet oiler Maiyu were assigned to the Indian Ocean in June 2006 to provide assistance in refueling anti-terrorist coalition forces in Afghanistan as part of Operation Enduring Freedom.

On 24 June 2008, Sazanami was the first JMSDF ship to bring disaster relief to the Chinese port of Zhanjiang following the 2008 Sichuan earthquake.

[3] From 14 March 2009, Sazanami, along with the destroyer JS Samidare (DD-106), was sent to the Gulf of Aden to participate in anti-piracy escort operations and to provide humanitarian assistance.

On 15 March 2011, Sazanami, along with the destroyer Inazuma, was again dispatched to Aden, Yemen to anti-piracy escort operations off the coast of Somalia.