Nathaniel Rothschild, 5th Baron Rothschild

The Right Honourable
The Lord Rothschild
The Right Honourable The Lord Rothschild
	Rothschild in 2009
Born	Nathaniel Philip Victor James Rothschild; 12 July 1971; Paddington, London, England
Citizenship	Canada; Switzerland; Montenegro;
Alma mater	Wadham College, Oxford; King's College London;
Occupation	Financier
Years active	1989–present
Spouses	; Annabelle Neilson (m. 1995; div. 1998) Loretta Basey (m. 2016)
Partner	Eliza Cummings (2012–2014)
Parents	Jacob Rothschild, 4th Baron Rothschild (father); Serena Rothschild, Baroness Rothschild (mother);
Relatives	Hannah Rothschild (sister); Nell Dunn (aunt);
Family	Rothschild banking family of England

Nathaniel Philip Victor James Rothschild, 5th Baron Rothschild (born 12 July 1971), known as Nathaniel Philip Rothschild or Nat Rothschild, is a British-born Canadian financier, who is a birth member of the Rothschild banking family of England. He has settled in Switzerland and is also a naturalised Montenegrin citizen.

Lord Rothschild became the 5th Baron Rothschild on the death of his father, on 26 February 2024. The heir presumptive is Lord Rothschild's first cousin, James Rothschild, the only son of his half-uncle, Amschel Rothschild, who has been married to Nicky Hilton, a member of the prominent Hilton family, since 10 July 2015. The heir presumptive's heir apparent is his only son, Chasen Rothschild (born 2022).