The 2018 Barcelona Open Banc Sabadell, also known as the Torneo Conde de Godó, was a men's tennis tournament played on outdoor clay courts. It was the 66th edition of the event and part of the ATP World Tour 500 series of the 2018 ATP World Tour. It took place at the Real Club de Tenis Barcelona in Barcelona, Catalonia, Spain, from 23 April until 29 April 2018. First-seeded Rafael Nadal won the singles title.
The following players received wildcards into the main draw:
The following players received entry using a protected ranking:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers:
The following pairs received wildcards into the doubles main draw:
The following pair received entry from the qualifying draw:
The following pairs entered as lucky losers: