Rubén Darío Tufiño Schwenk (born January 9, 1970, in Santa Cruz de la Sierra) is a former Bolivian football midfielder who played in the Liga de Fútbol Profesional Boliviano for important clubs, as well as, the Bolivia national team.
After graduating from college, he decided to continue developing his football career and in 1995 he returned to his country to sign with first division club Oriente Petrolero.
After two great seasons in Oriente, he transferred to main rival Blooming where he was part of back-to-back national titles.
Due to a disagreement in his contract he returned to Oriente Petrolero the following season, before joining the celestes for the second time around in 2001.
The following year, Tufiño signed with Bolívar from La Paz, where he spent the next two campaigns and added two more national championships to his resume.