Most hat tricks in a European club season since 2002-03
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Lionel Messi leads with 10 hat tricks in 2011-12, first of 69,978 player-seasons since 2002-03.
| # | Player and seasons | Value |
|---|---|---|
 Lionel Messi (2011-12 Barcelona)2011-12 | 10 | |
 Cristiano Ronaldo (2014-15 Real Madrid)2014-15 | 8 | |
| Cristiano Ronaldo (2011-12 Real Madrid)2011-12 | 7 | |
| Cristiano Ronaldo (2010-11 Real Madrid)2010-11 | 6 | |
| Lionel Messi (2014-15 Barcelona)2014-15 | 6 | |
| Cristiano Ronaldo (2015-16 Real Madrid)2015-16 | 6 | |
| Luis Suárez (2015-16 Barcelona)2015-16 | 6 | |
 Mario Gómez (2010-11 Bayern Munich)2010-11 | 5 | |
| Mario Gómez (2011-12 Bayern Munich)2011-12 | 5 | |
| Robert Lewandowski (2020-21 Bayern Munich)2020-21 | 5 | |
 Erling Haaland (2022-23 Manchester City)2022-23 | 5 | |
| Roy Makaay (2004-05 Bayern Munich)2004-05 | 4 | |
| Lionel Messi (2009-10 Barcelona)2009-10 | 4 | |
| Cristiano Ronaldo (2012-13 Real Madrid)2012-13 | 4 | |
| Lionel Messi (2013-14 Barcelona)2013-14 | 4 | |
| Cristiano Ronaldo (2016-17 Real Madrid)2016-17 | 4 | |
 Harry Kane (2016-17 Tottenham Hotspur)2016-17 | 4 | |
| Lionel Messi (2017-18 Barcelona)2017-18 | 4 | |
| Lionel Messi (2018-19 Barcelona)2018-19 | 4 | |
| Robert Lewandowski (2021-22 Bayern Munich)2021-22 | 4 | |
| Harry Kane (2023-24 Bayern Munich)2023-24 | 4 | |
| Harry Kane (2024-25 Bayern Munich)2024-25 | 4 | |
| Harry Kane (2025-26 Bayern Munich)2025-26 | 4 | |
 Michael Owen (2002-03 Liverpool)2002-03 | 3 | |
 Ruud van Nistelrooy (2002-03 Manchester United)2002-03 | 3 |
Method
- The numbers here start in 2002-03, so a record set before then isn't on this board.