Daniel "Dani" Sordo Castillo (born 2 May 1983) is a Spanish rally driver. He competes in the World Rally Championship for Hyundai Motorsport. He achieved his first WRC victory at the 2013 Rallye Deutschland.
Sordo began in motocross when he was 12 years old, but also experienced success in hillclimbing, karting and touring cars. He first drove in a World Rally Championship event at the Rally Catalunya, the Spanish round of the series, in 2003 in a Mitsubishi Lancer Evo VII, finishing 18th overall. He won the Spanish Junior Championship that year, and retained the title in 2004, while also accumulating further international experience at the WRC events in Argentina (retired), Germany (19th), France (13th) and Spain (20th).
In this last event, he switched from the Lancer Evo to a Citroën C2 S1600, and for 2005 he committed to a full season driving the C2 in the Junior World Rally Championship (JWRC) with Belgium's Kronos Racing team. He also switched co-drivers, pairing with Marc Martí, the former co-driver of double World Champion Carlos Sainz. Victories in Sardinia, Finland, Germany and Spain brought him the junior world title.