Lend Lease Group (officially Lend Lease Corporation Limited) is a global property and infrastructure company headquartered in Sydney, Australia.

The Company was established by Dick Dusseldorp in 1958 to provide finance for building contracts being undertaken by Civil and Civic. In 1961 the Company acquired Civil and Civic from Bredero's Bouwbedrijf.

In 1999 the Company formed Actus Lend Lease with the acquisition of Actus Corporation's MILCON and technical service construction management business, and augmented this business with professionals from Lend Lease Design and Lend Lease Development. Also in 1999 the Company acquired its Project Management & Construction division (previously Bovis Lend Lease) from P&O. Then in 2000 it bought AMRESCO's commercial mortgage business In 2001, Lend Lease acquired Delfin Property Group (now Lend Lease Communities) for $172 million. It went on to buy Crosby Homes (now Lend Lease Residential Development) for circa £240 million in 2005.

In 2005 the company moved from its previous premises in Australia Square in Sydney to The Bond on Hickson Road.

Lend-Lease (Public Law 77-11) was the program under which the United States of America supplied the United Kingdom, the Soviet Union, China, Free France, and other Allied nations with materiel between 1941 and 1945. It was signed into law on March 11, 1941, a year and a half after the outbreak of World War II in Europe in September 1939 but nine months before the U.S. entered the war in December 1941. Formally titled An Act to Further Promote the Defense of the United States, the Act effectively ended the United States' pretense of neutrality.

A total of $50.1 billion (equivalent to $647 billion today) worth of supplies were shipped: $31.4 billion to Britain, $11.3 billion to the Soviet Union, $3.2 billion to France, and $1.6 billion to China. Reverse Lend-Lease comprised services such as rent on air bases that went to the U.S., and totaled $7.8 billion; of this, $6.8 billion came from the British and the Commonwealth. The terms of the agreement provided that the materiel were to be used until time for their return or destruction. Supplies after the termination date were sold to Britain at a discount for £1.075 billion using long-term loans from the United States. Canada operated a similar program that sent $4.7 billion in supplies to the United Kingdom and the Soviet Union. The United States did not charge for aid supplied under this legislation.