The 2021 Wimbledon Championships – Men's Singles Qualifying is a series of tennis matches that was originally scheduled to take place from 21 to 24 June 2021.
However, due to a heavy rain on the first day, it was rescheduled from 22 to 25 June 2021, to determine the sixteen qualifiers into the main draw of the 2021 Wimbledon Championships – Men's singles, and, if necessary, the lucky losers.
Players who neither have high enough rankings nor receive wild cards for the main draw may participate in the qualifying tournament for the annual Wimbledon Tennis Championships.
[1] This was the last appearance for the former world number 12 Viktor Troicki.
He lost in the second round to Brandon Nakashima.