Sebastian Kruis (born 1989) is a Colombian-born Dutch politician of the Party for Freedom (PVV). He was elected member of the European Parliament in 2024. ^[1] He served as a member of the municipal council of The Hague for almost 6 years until his election as MEP. ^[2]

Kruis was born in 1989 in Medellín, Colombia, and was left in a foster home by his addicted biological mother. He was adopted by a couple in Zoetermeer in the Netherlands at the age of nine months. ^[3] In a 2022 interview, Kruis explained that he was initially unable to locate his biological family due to misconducts within the international adoption system before learning that his parents were both drug addicts and homeless at the time of his birth. He subsequently located his mother in Colombia and said the experience was a factor that motivated his interest in politics and social issues. After leaving secondary school, Kruis was a social worker and later a property manager. ^{[4] [5]}

He joined the PVV at the age of 17 in 2006 as a volunteer for the party on the day he was criticized by his school for a presentation he gave about immigration. ^{[3] [6]} He began working for the national PVV in 2011 as a press officer, and succeeded Vicky Maeijer as member of the Provincial Council of South Holland in 2014. ^[3]