John-Paul ('JP') Marks (born 1979–1980) is a senior civil servant who currently serves as the Permanent Secretary to the Scottish Government, a position he has held since 2022 following the departure of previous office holder, Leslie Evans.

Marks is set to succeed the retiring Jim Harra as First Permanent Secretary and Chief Executive at HMRC in April 2025.

Marks spent much of his career before the Scottish Government at the Department for Work and Pensions, latterly as Director General.

At the time of his appointment, Marks was said to be "committed to building a world-class, values-led civil service which excels in serving the public".

[6] Upon commencement as Permanent Secretary to the Scottish Government, he assumed the role of leading the Scottish Government civil service, ensuring it delivers the "full range of devolved powers and duties set out in the Scotland Acts".