Julien Boutter (; born 5 April 1974) is a former professional male tennis player from France.
In his career, he won one singles title (2003 Casablanca) and reached the final in Milan (2001) but lost to Swiss Roger Federer. He reached two Master Series quarterfinals at Hamburg in 2002 and Monte Carlo in 2003. Boutter also reached the semi-finals of the 2002 Australian Open partnering fellow Frenchman Arnaud Clément, only to lose to Michaël Llodra and Fabrice Santoro 3–6, 6–3, 10–12. During the match, Boutter led an impromptu funeral ceremony for a bird inadvertently hit by Llodra as it was chasing a moth.
| { class="wikitable sortable mw-collapsible mw-collapsed" ! Legend |
| Grand Slam Tournaments (0–0) |
| Tennis Masters Cup (0–0) |
| ATP Masters Series (0–0) |
| ATP International Series Gold (0–0) |
| ATP International Series (1–1) |
| Hard (0–0) |
| Clay (1–0) |
| Grass (0–0) |
| Carpet (0–1) |
| Loss | 0–1 | Jan 2001 | Milan, Italy | Carpet (i) | Roger Federer | 4–6, 7–6(9–7), 4–6 |
| Win | 1–1 | Apr 2003 | Casablanca, Morocco | Clay | Younes El Aynaoui | 6–2, 2–6, 6–1 |
| { class="wikitable sortable mw-collapsible mw-collapsed" ! Legend |
| Grand Slam Tournaments (0–0) |
| Tennis Masters Cup (0–0) |
| ATP Masters Series (0–0) |
| ATP International Series Gold (0–0) |
| ATP International Series (4–2) |
| Hard (4–1) |
| Clay (0–0) |
| Grass (0–0) |
| Carpet (0–1) |
| Win | 1–0 | Jan 2000 | Maharashtra Open, India | Hard | Christophe Rochus | Saurav Panja Srinath Prahlad | 7–5, 6–1 |
| Win | 2–0 | Oct 2000 | Toulouse, France | Hard (i) | Fabrice Santoro | Donald Johnson Piet Norval | 7–6(10–8), 4–6, 7–6(7–5) |
| Win | 3–0 | Feb 2001 | Marseille, France | Hard (i) | Fabrice Santoro | Michael Hill Jeff Tarango | 7–6(9–7), 7–5 |
| Win | 4–0 | Sep 2001 | Tashkent, Uzbekistan | Hard | Dominik Hrbatý | Marius Barnard Jim Thomas | 6–4, 3–6, 13–11 |
| Loss | 4–1 | Jan 2002 | Milan Indoor, Italy | Carpet (i) | Max Mirnyi | Karsten Braasch Andrei Olhovskiy | 6–3, 6–7(5–7), 10–12 |
| Loss | 4–2 | Feb 2002 | Marseille, France | Hard (i) | Max Mirnyi | Arnaud Clément Nicolas Escudé | 4–6, 3–6 |
| Challengers (3–2) |
| Futures (0–2) |
| Runner-up | 1. | 9 February 1998 | Bergheim, Austria | Carpet (i) | Ivaylo Traykov | 3–6, 2–6 |
| Runner-up | 2. | 27 April 1998 | Esslingen, Germany | Clay | Jordi Mas-Rodriguez | 2–6, 2–6 |
| Runner-up | 3. | 28 December 1998 | Mumbai, India | Hard | Antony Dupuis | 5–7, 6–7 |
| Winner | 1. | 1 March 1999 | Grenoble, France | Hard (i) | Antony Dupuis | 6–2, 4–6, 6–4 |
| Runner-up | 4. | 14 June 1999 | Zagreb Open, Croatia | Clay | Andrea Gaudenzi | 1–6, 4–6 |
| Winner | 2. | 28 February 2000 | Cherbourg, France | Hard (i) | Mikhail Youzhny | 6–1, 6–0 |
| Winner | 3. | 6 March 2000 | Besançon, France | Hard (i) | Julian Knowle | 6–4, 7–64 |
| Challengers (2–1) |
| Futures (0–2) |
| Runner-up | 1. | 21 July 1997 | Ostend, Belgium | Clay | Tarik Benhabiles | Kris Goossens Tom Vanhoudt | 6–3, 4–6, 0–6 |
| Runner-up | 2. | 9 February 1998 | Bergheim, Austria | Carpet (i) | Jean-Michel Pequery | Markus Menzler Markus Wislsperger | 6–4, 1–6, 0–6 |
| Runner-up | 3. | 27 April 1998 | Esslingen, Germany | Clay | Jean-René Lisnard | Federico Browne Martín García | 6–7, 2–6 |
| Winner | 1. | 28 February 2000 | Cherbourg, France | Hard (i) | Michaël Llodra | Julien Benneteau Nicolas Mahut | 2–6, 6–4, 7–5 |
| Winner | 2. | 6 March 2000 | Besançon, France | Hard (i) | Michaël Llodra | Stefano Pescosolido Vincenzo Santopadre | 6–4, 66–7, 7–65 |
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