Maciej Przemysław Lang (born in 1968 in Piotrków Trybunalski) is a Polish political scientist, journalist and diplomat, PhD in Humanities. Ambassador of the Republic of Poland to Turkmenistan (2007–2009), Afghanistan (2009–2012), Kazakhstan (2015–2016), Turkey (2016–2018), Undersecretary of State in the Ministry of Foreign Affairs for Security, Asian Policy, American Policy, and African and Middle Eastern Policy (2018–2020), and since July 2020 ambassador to Romania.