Albertus Willem Sijthoff (30 June 1829 – 29 July 1913) was a prominent Dutch publisher from Leiden, Netherlands.

After working in Paris as a resident typographist, Sijthhoff first spoke to colleagues about starting his own printing business on October 20, 1850.

He wrote a letter, dated November 12, 1899, to Queen Wilhelmina of the Netherlands regarding his opposition to the petition to become a signatory to the Berne Convention for the Protection of Literary and Artistic Works.

[1] Sijthoff spent his retirement at Villa Waldberta, an estate in Feldafing, Germany which he acquired from Munich banker Bernhard Schuler in 1903.

[4] His son Albert Georg Sijthoff continued in his father's footsteps, taking over as publisher of the Haagsche Courant.