Leuntje Wilhelmina Digna Geluk-Poortvliet (born 15 July 1943), known as Lenny Geluk-Poortvliet, is a Dutch politician serving as a Member of the House of Representatives since 31 October 2017.

[1] In 2002, Geluk-Poortvliet was elected a member of the Schouwen-Duiveland municipal council.

Geluk-Poortvliet served as the vice-chairwoman of the CDA in Utrecht and worked for an advisory forum on healthcare.

Later that year, on 31 October 2017, Geluk-Poortvliet was sworn in as a member of the House of Representatives.

[2] When she took office, Geluk-Poortvliet was at the age of 74, making her the oldest female member of parliament to be serving her first term in Dutch history.