Michael Preben, Count Ahlefeldt-Laurvig-Bille () (born 26 February 1965) is a Danish Count and a landowner.
By birth, he is a member of the ancient German House of Ahlefeldt. He was born as the only son of Count Claus Christian Ahlefeldt-Laurvig-Bille (Copenhagen, 6 March 1932 â 2014), landlord of Havnø Gods, Hadsund, and his second wife, Countess Merete-Anette von Lüttichau, née Ahlefeldt-Laurvig (born in Rudkøbing, 1 April 1943), a trained nurse. The couple married at Tranekær Kirke, Tranekær, on 21 September 1963 and divorced in 1971. His mother, Countess Merete-Anette was also her husband's third cousin.
He has one sister, Countess Suzanne Ingrid Jessie Dorthe Ahlefeldt-Laurvig-Bille (b. Svendborg, 4 March 1967), lady-in-waiting to former Princess Alexandra, who married in Mahé, Seychelles, on 15 February 1993 Erik Ove Carl John Emil Vind til Sanderumgaard (b. Hellerup, 5 May 1954), the grandson of Prince Erik of Denmark.
His father married firstly in Taarnborg Gods, Korsør, on 2 August 1958 and divorced Countess Marianne Moltke af Nør til Kruusesminde (b. Kruusesminde Gods, Korsør, 18 October 1936), Landlady in Kruusesminde Gods, Korsør, married thirdly on 9 September 1976 and divorced in 1995 Baroness Louisa of Wedell-Wedellsborg (b. San Francisco, California, 8 June 1939) and married fourthly in 2002 Bente Skipper.
In 1992, he assumed ownership of the family's residence Egeskov Castle near Kværndrup, from his father Count Claus Christian. Under his ownership, Egeskov Castle has been turned into one of Funen's major tourist attractions. He was awarded the title of Hofjægermester (hunting master of the court) in 2006 and the title of Kammerherre (chamberlain) in 2015.
Michael married firstly in 1992 to Margrethe Kirketerp-Møller (27 March 1965 - aft. 1995), the daughter of Mogens Kirketerp-Møller (12 October 1936 - 25 February 2018), landlord and owner of Sandholt castle, and his wife Lisbeth Clausen (m. 22 February 1963). The couple later divorced. They have a son and a daughter:
He married secondly Caroline Søeborg-Ohlsen (b. 1968) on 26 August 2006. She is the daughter of cellist Bertel Søeborg Ohlsen and his wife, Anette Faaborg (b. 1942), a pianist. The couple divorced in 2016 and have two children:
On 18 May 2019, he married Princess Alexandra of Sayn-Wittgenstein-Berleburg, niece of Queen Margrethe II of Denmark, at Sankt Jørgens Kirke in Svendborg. They currently live at Egeskov Castle, ancestral home and a country residence of the Counts of Ahlefeldt, which is managed by Count Michael Preben, while Princess Alexandra engages herself in drawing, garden designing and art history.