The 33rd Edition Vuelta a España (Tour of Spain), a long-distance bicycle stage race and one of the three grand tours, was held from 25 April to 14 May 1978. It consisted of 19 stages covering a total of 2,995 km, and was won by Bernard Hinault of the Renault–Elf–Gitane cycling team. Ferdi Van Den Haute won the points classification and Andrés Oliva won the mountains classification.

Teams and riders

Route

Results

General classification

Points classification

Mountains classification

Team classification

Intermediate sprints classification