| Hans Schack | |
| Count of Schackenborg | |
| More: | no |
| Succession: | Count of Schackenborg |
| Reign: | 7 October 1741 – 21 August 1796 |
| Reign-Type: | Tenure |
| Predecessor: | Otto Didrik Schack |
| Successor: | Otto Didrik Schack |
| Spouse: | Ulrikke Augusta Vilhelmine Moltke |
| Issue-Link: | Hans Schack, 4th Count of Schackenborg#Family |
| Issue-Pipe: | Detail |
| Full Name: | Hans Schack |
| Noble Family: | Schack |
| Father: | Otto Didrik Schack, 3rd Count of Schackenborg |
| Mother: | Anna Ernestine Frederikke Vilhelmine Gabel |
| Birth Date: | 14 January 1734 |
| Birth Place: | Schackenborg Castle, Møgeltønder, Kingdom of Denmark |
| Death Place: | Schackenborg Castle, Møgeltønder, Kingdom of Denmark |
| Burial Place: | Møgeltønder Church, Møgeltønder, Kingdom of Denmark |
| Religion: | Lutheran |
Hans Schack, Count of Schackenborg (14 January 1734 – 21 August 1796) was a Danish nobleman and enfeoffed count (Danish: lensgreve). He was the fourth holder of the Countship of Schackenborg from 1741 to 1796.
Hans Schack was born on 14 January 1734 at Schackenborg Castle in Møgeltønder in the Kingdom of Denmark. Born into the noble family of Schack, he was the fifth child and eldest surviving son of the Danish nobleman and civil servant Otto Didrik Schack, and his wife Anna Ernestine Frederikke Vilhelmine Gabel .[1]
At the early death of his father on 11 July 1741, he inherited the Countship of Schackenborg and assumed the title of enfeoffed count.[1]
Count Schack died on 21 August 1796, aged 62, at Schackenborg Castle.[1] He was succeeded by his eldest surviving son, Otto Didrik Schack.
Schack married firstly on 7 January 1757 at Christiansborg Palace Chapel in Copenhagen Ulrikke Augusta Vilhelmine Moltke, daughter of Danish courtier, statesman and diplomat Count Adam Gottlob Moltke and Christiane Frederikke von Brüggemann, by whom he had four children. She died on 7 April 1763 in Copenhagen.[1]
Schack married secondly on 7 October 1763 at Lohma in the Duchy of Saxe-Altenburg Caroline Louise Sophie von Moltke, daughter of Joachim Christoph von Moltke and Sophia Albertina von Wolzogen), by whom he had four children. She died on 12 September 1794.