Heidi Piiroinen (b.1978) is a Finnish photographer and documentary filmmaker. Her work as a press photographer for the Finnish daily paper Helsingin Sanomat has garnered a number of awards. She graduated from the Turku Arts Academy in 2002 and studied photojournalism at the Lahti Institute of Design in 2002-2004. Piiroinen was a visiting scholar at the University of Berkeley, where she studied documentary film 2015-2016. Her debut documentary film Black Hole Mama premiered at DocPoint in January 2017. The book Ohikuljetut -erään kerjäläisperheen tarina by Heidi Piiroinen and Kimmo Oksanen won the State Award 2019 (https://www.valokuvataiteenmuseo.fi/en/exhibitions/invisibles-story-beggar-family). Piiroinen was awarded the Patricia Seppälä Foundation Photojournalism Award in 2020.