Mark Edward Cubitt, 5th Baron Ashcombe (born 29 February 1964), is a British hereditary peer and Conservative politician.

According to his candidate statement, Cubitt has a degree in civil engineering from Imperial College London, and has spent his career in the insurance industry, specialising in the energy sector.

[2] Ashcombe first stood in a House of Lords by-election in November 2015, receiving a single vote and coming 9th of 14 candidates.

[5] Ashcombe's fourth attempt was in January 2021, when on a low turnout he received a single vote, coming 9th of 21 candidates.

[9] In early October he received 18 votes but slipped to 4th place in a field of 21 candidates.