#1 Andrea De Cesaris - 18

Andrea De Cesaris tops the list with a massive 18 consecutive retirements. This feat occurred between 1987 and 1988, spanning across two Formula One seasons.
The Italian's first retirement of his difficult run came at the 1987 Monaco Grand Prix, which occurred right after De Cesaris secured a podium at the Belgian Grand Prix. Since then, he couldn't even see the chequered flag in a single race that season, taking it to thirteen consecutive retirements. That tally took his total DNFs during the 1987 season to 15. Interestingly, his podium at Spa Francorchamps secured him his only points that season.
Changing the team for the next season didn't help either as Andrea De Cesaris retired from the opening round due to engine trouble. Problems with the car continued for the next four races before he finally finished a race at Detroit in the fourth place, putting to an end his embarrassing Formula One record.
Furthermore, Andrea De Cesaris, at one point during the 1982 season, also held the record of twelve successive retirements in Formula One.