Daniel Nicholas Armstrong (born 24 March 2005) is a Finnish footballer who plays as a defender and midfielder for Atalanta U23 in Serie C and the Finland U19 national team.

Armstrong was named in the Finland U17 squad for the 2022 UEFA European Under-17 Championship qualification tournament, against Bosnia-Herzegovina, Switzerland and Gibraltar, scoring one goal and providing an assist in three games.

In March 2022, Armstrong was also named the captain in the Finland U17 squad in the Elite round matches against Portugal, Bulgaria and Ireland.

[8] In October 2023, Armstrong was part of the Finland U19 squad in the 2024 UEFA European Under-19 Championship qualification tournament, in three games against Romania, Czech Republic and San Marino.

He is the son of Keith Armstrong, an English-Finnish former professional footballer who has played and coached successfully in Finland for decades.