Santiago Lanzuela Marina (27 September 1948 – 16 April 2020) was a Spanish economist and politician for the People's Party (PP), who served as President of the Government of Aragon, one of the Spanish regional administrations.

In 1987, he was elected to the Aragonese Regional Assembly and, in 1989, the PP entered a coalition government with the Aragonese Party (PAR) with Lanzuela serving as Economics Minister until 1993.

On 28 May 1995, the PP received the most votes in the Aragonese regional elections and as lead PP candidate, he was elected President of Aragon, defeating Ángela Abós Ballarín of the Spanish Socialist Workers' Party (PSOE).

[1] Although the PP increased their number of votes and seats in the 1999 elections, the PAR instead backed the candidate of the rival PSOE for President.

[3] Santiago Lanzuela died, aged 71, from COVID-19-related causes on 16 April 2020, in Madrid.