Pietro Boselli (born 3 December 1988) is an Italian engineer, former mathematics lecturer at University College London and model.

Boselli was discovered at the age of 6 and began modelling for Armani Junior.^[1] He later went on to study mechanical engineering at University College London, graduating with a first class honours Bachelor of Engineering degree in 2010. He started his Doctor of Philosophy candidature in 2010. During his PhD candidature, Boselli taught undergraduate mathematics to mechanical engineering students. He completed his PhD study on 16 February 2016. In January 2014, a student took note of his physique and stumbled upon his modelling career; the subsequent Facebook post went viral a year later.^[2][3] After the viral post, Boselli signed with the British modelling agency Models 1. He has since been dubbed the "world’s sexiest maths teacher."^[4] As of April 2019, his Instagram account has 2.7 million followers.^[5]

Boselli has been seen in American modeling campaigns for clothing retailer Abercrombie & Fitch and fitness club Equinox. He has also appeared in spreads for GQ Style and was featured on the cover of Attitude.^{[1][6][7][8][9]}