Teemu Halmkrona (born 1974) is a Finnish composer, musician and music teacher living in Helsinki. He has studied jazz and classical music at Central Ostrobothnia Conservatory, Helsinki Pop & Jazz Conservatory, Helsinki Polytechnic and Sibelius Academy. He graduated from the Helsinki Polytechnic in 2006 with major in Jazz Composition. At a moment he is writing his Master of Music thesis in Sibelius Academy.

Halmkrona won the second prize in the "Esko Linnavalli Big Band Composition” at Helsinki, Finland in 2013 with composition The Parting of the Ways. He won the first prize in "Scrivere in Jazz" composition contest with the same composition at Sassari, Italy in 2014. He performed his first composition concert in 2006 and latest in January 2013. He won the second prize again in Linnavalli competition in 2015 with composition An Evening At River.

Teemu Halmkrona has composed and arranged music for theatre and animation films and his music has been played by, e.g., UMO Jazz Orchestra (FI), Norrbotten Big Band (SE), Associazione Blue Note Orchestra (IT) and Daryl McKenzie Jazz Orchestra (AU). Halmkrona's ambient band “Siniaalto” has published three full length albums and one 7” vinyl single since 2003.

He has worked as a pianist and keyboardist since 1994 and as a music teacher for over twenty years.