Jacky Mathijssen (Dutch pronunciation: [ˈdʑɛki mɑˈtɛisə(n)]; born 20 July 1963) is a retired Belgian football coach.

Mathijssen has had a distinguished career in football, both as a player and as a manager. Following his playing career, he transitioned into coaching, where he achieved notable success. Mathijssen has managed various clubs throughout his career, demonstrating his tactical acumen and leadership abilities.

In his most recent managerial role, Mathijssen was in charge of the Belgium U21 squad.

As of 19 November 2019

Club	From	To	Record
			G	W	D	L	Win%
Sint-Truidense VV	1 July 2001	26 April 2004	41	16	10	15	39.02
Charleroi SC	26 April 2004	30 June 2007	75	31	25	19	41.33
Club Brugge	1 July 2007	30 June 2009	78	40	15	23	51.28
Lokeren	25 October 2009	25 January 2010	12	2	1	9	16.66
Charleroi SC	1 July 2010	20 September 2010	7	1	2	4	14.28
Germinal Beerschot	3 December 2010	26 March 2012	55	15	19	21	27.27
Beerschot	24 January 2013	22 April 2013	11	2	2	7	18.18
Fostiras	10 August 2013	19 July 2014	43	16	11	16	37.20
OH Leuven	1 January 2015	24 November 2015	36	15	8	13	41.66
KVC Westerlo	14 September 2016	21 June 2017	25	5	7	13	20.00
AEL	14 September 2017	25 September 2017	3	0	1	2	0.00
Belgium U19	1 July 2018	13 March 2020	18	6	6	6	33.33
Belgium U21	14 March 2020	Present	4	2	0	2	50.00
Career totals			408	151	107	150	37.01

• 2003 Runners-up Belgian Cup (Sint-Truidense VV)

• Jacky Mathijssen nieuwe trainer Club Brugge
• Broos: "Jacky Mathijssen zegt soms onnodige dingen"