Ove Nyquist Arup (April 16, 1895 – February 5, 1988) was a construction engineer.

He was born in Newcastle-upon-Tyne (United Kingdom).

The Arup Company, founded by himself in 1946 and operating as a consortium, is the most important and famous civil engineering and metal construction company in the world. Arup Associates, an independent entity of the Arup empire, is the multidisciplinary section specialized in the synthesis of all techniques related to design-architecture, construction, acoustic services and study of dimensions. It is a large company that has carried out a huge number of complex projects around the world, four of which, in particular, are of great architectural importance: the Sydney Opera House, the Beaubourg Center in Paris, the Bank of China Tower and Lloyds of London. It may be unfair to single out just four: a fifth, the footbridge over the River at Durham, was apparently Sir Ove's favourite.

There is an apocryphal story that Arup used to tell about his relationship with Utzon, the architect of the Sydney Opera House: