| Arnauld Mercier | |
| Birth Date: | 1972 6, df=yes |
| Birth Place: | Bayeux, France |
| Height: | 1.86 m |
| Position: | Defender |
| Years1: | 1990–1993 |
| Years2: | 1993–1996 |
| Years3: | 1996–1998 |
| Years4: | 1998–2001 |
| Years5: | 1998–1999 |
| Years6: | 2000 |
| Years7: | 2000–2001 |
| Years8: | 2002–2004 |
| Clubs1: | Rouen |
| Clubs2: | Fécamp |
| Clubs3: | Valenciennes |
| Clubs4: | Reggina |
| Clubs5: | → Andria (loan) |
| Clubs6: | → Savoia (loan) |
| Clubs7: | → Cosenza (loan) |
| Clubs8: | Valenciennes |
| Caps3: | 60 |
| Caps4: | 0 |
| Caps5: | 33 |
| Caps6: | 7 |
| Caps7: | 11 |
| Caps8: | 43 |
| Goals3: | 9 |
| Goals4: | 0 |
| Goals5: | 2 |
| Goals6: | 0 |
| Goals7: | 0 |
| Goals8: | 2 |
| Manageryears1: | 2011–2014 |
| Manageryears2: | 2014–2015 |
| Manageryears3: | 2016–2017 |
| Manageryears4: | 2019–2020 |
| Manageryears5: | 2022–2023 |
| Managerclubs1: | Boussu-Dour |
| Managerclubs2: | Seraing United |
| Managerclubs3: | Roeselare |
| Managerclubs4: | Waasland-Beveren |
| Managerclubs5: | Francs Borains |
Arnauld Mercier (born 4 June 1972) is a French football manager and a former player.
He spent most of his career playing in the French Ligue 2 and Championnat National, but had a spell in Italy where he played three seasons in Serie B. After his playing career, he became a coach, and managed RBDB and Seraing United.
Born in Bayeux, Mercier began playing football for Ligue 2 side Rouen in 1990. After three seasons the club were relegated to the Championnat National, and he left for another third-tier club, Fécamp. Mercier spent three seasons with Fécamp and the following two with Valenciennes, continuing to play in the Championnat National.[1]
In 1998, Mercier moved to Italy, joining Serie A side Reggina. He was unable to work his way into the first team and went on loan to Serie B sides Andria, Savoia and Cosenza. Disappointed, he returned to France and played two more seasons for Valenciennes.[2]
After he retired from playing, Mercier began coaching the youth side of Valenciennes. He was appointed manager of Belgian side Royal Boussu Dour Borinage in April 2011.[3]
On 2 January 2019, Mercier returned to Seraing United, this time as a sporting director.[4]