Macquarie International Infrastructure Fund Limited (MIIF), a Bermuda-registered mutual fund company, is a leading Asia-listed owner and operator of private infrastructure businesses. MIIF has significant investments in toll roads, ports, communications and broadcast infrastructure, transport infrastructure, renewable energy and aged-care infrastructure, among others.

MIIF was the first infrastructure fund to list on the main board of the Singapore Exchange Securities Trading Limited (SGX-ST). MIIF listed on the SGX-ST on 27 May 2005 and has over 8,200 investors, including retail investors, as well as some of the world's foremost institutional investors.

MIIF is an Asia-focused listed infrastructure fund managed by Macquarie Infrastructure Management (Asia) Pty Limited (MIMAL), a part of Macquarie Group Limited.

As at 31 December 2009, MIIF’s portfolio comprises the following businesses: