Prince Gustav of Denmark (Christian Frederik Vilhelm Valdemar Gustav; 4 March 1887 – 5 October 1944) was the fourth and youngest son and seventh child of Frederick VIII of Denmark and his wife, Princess Louise of Sweden and Norway.
On 2 February 1935 in the Russian Orthodox Church in Copenhagen he was, together with his cousin Grand Duchess Olga Alexandrovna of Russia and her husband colonel Nikolai Kulikovsky, a godparent at the christening of Aleksander Schalburg, son of first lieutenant in the Royal Danish Life Guards Christian Frederik von Schalburg.Prince Gustav remained unmarried and had no children.