Luke Thomas Armstrong (born 2 July 1996) is an English professional footballer who plays as a striker for Motherwell on loan from EFL League Two club Carlisle United.

[6] After six months with the club, Armstrong decided to terminate his contract due his game time being limited to just a few substitute appearances during the half-season.

[8] He would score 23 goals across the season, helping his team to win the Northumberland Senior Cup and league title, ultimately attracting the attention of one of his previous employers in the form of Middlesbrough.

[13] Upon his return to Middlesbrough, Armstrong would sign a new two-and-a-half-year contract with the Championship club, before being shipped out on loan to Accrington Stanley of League One on 11 January 2019.

[15] On 26 July 2019, Armstrong joined newly promoted League Two outfit Salford City on a permanent transfer, signing a three-year contract.

[19] Armstrong went on to score 15 goals in all competitions for Pools, including one in their 2021 National League play-off final win against Torquay United.

[26] On 18 December 2023, it was announced that Armstrong would join League One club Carlisle United when the transfer window opens on 1 January 2024.