Alun Armstrong (born 22 February 1975) is an English former professional footballer and manager, he recently managed Darlington. During his playing career, Armstrong operated primarily as a forward.

His career as a player, which ran between 1993 and 2007, included spells at Newcastle United, Stockport County, Middlesbrough, Ipswich Town, two spells at Darlington, Rushden & Diamonds and concluding it with a brief spell at Newcastle Blue Star. He has also enjoyed loan spells at Huddersfield Town, Bradford City and Doncaster Rovers.

Armstrong entered into club management in 2016, joining Blyth Spartans, achieving promotion to the National League North in his first season in charge. He left the club in 2019, agreeing to join Darlington as their new manager.

Armstrong's first club was Newcastle United, where in October 1993 he came up from their youth team. He left in June 1994 having not played a competitive game for them, and signed with Stockport County for £50,000. In 200 games for them, he scored 62 goals. In February 1998 he joined Middlesbrough for £1.6m. He stayed until 2000, when in March he joined Huddersfield Town for three months on loan. In December 2000 he joined Ipswich Town for £500,000. In the three years he was at Ipswich he scored 19 goals in 94 appearances, including a header in Ipswich's 1–0 win over Inter Milan in the 2001–02 UEFA Cup.^[2] Armstrong described the goal as "probably the most important of my career, as long as we get a result out there (In the return leg)". Despite Armstrong scoring another goal in the return leg from the penalty spot, Ipswich were knocked out with an aggregate score of 4–2.^[3]

From December 2003 until March 2004 he was on loan to Bradford City, scoring once against Norwich City,^[4] and in September 2004 he joined Darlington on a free transfer. He left Darlington in June 2005, to join Rushden & Diamonds. He scored once for Rushden, his goal coming against Halifax Town in the FA Cup.^[5] After a spell on loan at Doncaster Rovers, he re-signed for Darlington in August 2006 to join the club on a second spell, before leaving them again at the end of the 2006–07 season. He scored once in his second spell at Darlington, against Hereford.^[6] He signed for Newcastle Blue Star in the UniBond Division One North before quitting days after receiving a red card against Gateshead.

His son Luke is also a footballer.^[16]

He has another son Rhys who is at Darlington with him.^[17]

As of 19 August 2023:^[29][30]