David Andrew Ipp AO QC (born 1938) is a former Commissioner of the NSW Independent Commission Against Corruption.
Ipp was formerly a judge of the Court of Appeal of the Supreme Court of New South Wales, the highest court in the State of New South Wales, Australia, which forms part of the Australian court hierarchy.
Ipp was born in Johannesburg, where he attended Parktown Boys' High School. He subsequently graduated with a Bachelor of Commerce and Bachelor of Laws from the University of Stellenbosch.
In 1964, Ipp became a partner at Hayman Godfrey & Sanderson Attorneys in Johannesburg. He was admitted to the South African bar in 1973.
Ipp moved to Australia in 1981 and was admitted as a barrister in Western Australia. He was appointed Queen's Counsel in 1985.
Ipp served as Treasurer of the Law Society of Western Australia in 1988. He was a Fellow at the University of Western Australia in 1999-2000, and was awarded an Inns of Court Fellowship at the University of London's Institute of Advanced Legal Studies in 1996-97.
In 1994, Ipp was a Fulbright Senior Scholar. He was scholar in residence at the University of Virginia School of Law.
From 1989-2002, Ipp served as a judge of the Supreme Court of Western Australia. From 1993 to 2001, Ipp was also the Judge in Charge of the Civil List. From 2001-2002 he was Acting Judge of Appeal of the NSW Court of Appeal before being appointed a Judge of Appeal in 2002.