Singer House (Russian: Дом компании «Зингер»), also widely known as the House of the Book (Russian: Дом книги), is a historic building in St. Petersburg, Russia. It is located at the intersection of Nevsky Prospekt and the Griboyedov Canal, directly opposite the Kazan Cathedral. It is recognized as a historical landmark and has official status as an object of Russian cultural heritage.

The building was constructed in 1902–1904 by the leading Petersburg architect of the time, Pavel Suzor, for the Russian headquarters of the Singer Sewing Machine Company. After the Russian Revolution the house was nationalized and since 1919 used for offices of the editors' houses of various magazines and publishers. The main city bookshop was opened in 1938 and stayed operative even during the World War II.

In the early 2000s the building was reconstructed. The Russian social network company VKontakte has rented offices in the building since 2010.

The first land records date back to the 1730s when the Empress Anna Ioannovna ordered that her royal stables be relocated there, which were previously situated next to the Winter Palace. In 1742–1743 a wooden opera house was built there by Francesco Bartolomeo Rastrelli; however, it was destroyed by fire on October 19, 1749. Only in the 1770s was the land occupied again — it was given to Catherine the Great's personal priest Ivan Panfilov, who built himself a three-storey stone mansion. In 1820 it was bought out and rebuilt by Vincent Beretti [de] for pharmacist Karl Imzen. Imzen leased some of the rooms to private arendators; one of them was Sergey Levitsky's daguerreotype studio. In the 1860s the building was reconstructed by Friedrich Adolf Rudolf [de] for new owners the Zhukovsky family. In 1900 the land was bought from the widow Olga Zhukovskaya by the Singer company for a sum exceeding 1 million roubles.

In 1900 the Singer Company bought lands in Podolsk to open its production centre there; it planned to expand its business not only into the Russian market but further to the east: to Turkey, Persia, China, and Japan. The company looked for a presentable headquarters so soon a piece of land on the most active business street in the Russian capital was chosen and bought for an enormous sum of money, more than 1 million roubles. To design and construct the building the company invited the most prominent Russian architect of that time – Pavel Suzor.

The management of the Singer Company initially intended to construct a skyscraper, similar to the Ernest Flagg Singer Building, the company headquarters under construction at that time in New York City, but the Saint Petersburg building code did not allow structures taller than the Winter Palace. Suzor found an elegant solution to the 23.5-metre (77 ft) height limit: the six-story Art Nouveau building, crowned with a glass tower, which in turn is topped by a glass globe sculpture created by Estonian artist Amandus Adamson. Suzor designed three general projects of the building and the discussion lasted for more than a year; only in 1901 was one of them approved by the client.

During the dismantling of the old house it was found that its first store was below the pebbling level. To fully make use of the land, Suzor projected a two-winged six-storey house with two atriums covered by a glass ceiling. Due to the metal frame with brick layers and cement casting, the construction was strong enough to make the outer walls nonstructural and cut two-storey windows.

The facades were lined with polished pink and gray granite. Sculptors Alexander Ober [ru] and A. G. Adamson created bronze decor. Adamson also designed the valkyries on the front side. The dominant figure of the composition is the tower with a dome and a glass globe. The globe was belted with a golden ribbon with the Singer name. A bronze eagle with wide-spread wings was placed right under the globe. The dome was designed to support the existing composition of the neighborhood including Saint Petersburg City Duma and the Church of the Savior on Blood.