Hubert Loutsch (18 November 1878 – 24 June 1946)^[1][2] was a Luxembourgish politician. He was the tenth prime minister of Luxembourg, serving for 16 weeks from 6 November 1915 until 24 February 1916.

Loutsch was a lawyer by profession.^[1] On 6 November 1915 he was appointed prime minister, and Director-General (Minister) for Foreign Affairs. The Loutsch Ministry consisted only of members of the Right Party, but the Left had a majority in the Chamber of Deputies.^[1] Thereafter, Grand Duchess Marie-Adélaïde dissolved the legislature and ordered new elections to be held on 23 December 1915.^[1] The new Chamber, however, also did not give the Right Party a majority.^[1] On 11 January 1916 the Loutsch government lost a confidence vote, and Loutsch was succeeded by Victor Thorn on 24 February 1916.^[1]

From 1920 to 1934 he was president of the insurance company La Luxembourgeoise.^[1] From 1925 to 1934 he was a Deputy in the Chamber for the Union nationale indépendante.^[1]

He died in 1946 in Brussels.