Vilhelm Valdemar Petersen (5 April 1830 – 3 July 1913) was a Danish architect who became Royal Building Inspector from 1892 until his death.

[1] Back in Denmark, he became a member of the Art Academy in 1866 and he served as Building Inspector in Copenhagen from 1869 until 1874.

Vilhelm Petersen's earliest independent works include a new Custom House and a building for the Royal Nautical Charts Archive and Meteorological Institute, both completed at Nordre Toldbod in Copenhagen in 1873.

It was built on a prominent location overlooking The Copenhagen Lakes between 1873 and 1876 and relied on inspiration from Paris.

His building for the Royal Danish Academy of Sciences and Letters at Dantes Plads in Copenhagen, built between 1894 and 1898 in Renaissance Revival style, is considered his most successful work.