Jenny Maria Gustava Markelin-Svensson (October 30, 1882, Vantaa - March 17, 1929, Helsinki) was a professional inspector and Finland's first female engineer.
[1] Markelin-Svensson's parents were farmer Johan Fredrik Albert Markel and Amanda Fredrika Nummel.
She graduated from Helsinki University of Technology in 1905 as an engineer with a focus on road and bridge construction.
When the Social Administration was established in 1918, Markelin-Svensson served as Finland's first female occupational inspector.
Markelin-Svensson was also an active social influencer, through public outreach including newsletters, presentations and lectures, as well as through her positions in industry associations and organizations.