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The 26-year-old is the fourth celebrity to drop out of the competition because of an injury.
Olympic gymnast Beth Tweddle, actress Tina Hobley and Olympic swimmer Rebecca Adlington have also pulled out of the programme.
Vandelli was taken to hospital on Sunday after a fall while taking part in the show's Snow Cross challenge.
A Channel 4 spokeswoman said: "[Vandelli] received immediate medical attention but sadly will not be able to continue in the competition due to an ankle fracture, which has now been treated."
The Jump sees celebrities take part in various winter sports competitions, including ski-jumping, bobsleigh, and speed skating.
Tweddle had to have neck surgery after suffering a serious spinal injury on Saturday when she crashed into a safety barrier. She remains in hospital.
Holby City actress Hobley broke her arm in two places while Adlington dislocated her shoulder. All three have since left the series.
Athlete Linford Christie has also been forced to take time out due to a hamstring injury but remains in the competition.
Earlier in the week, Channel 4 confirmed it had asked producers to "review safety procedures again to further reduce the prospect of accident".
On Tuesday, Eddie 'The Eagle' Edwards said producers were not solely to blame for the celebrities injuries, saying it was the contestants' own responsibility to train properly.
Tweddle described the days following her accident as "very scary" after the operation which saw surgeons take a bone from her hip and use it along with pins to fuse together two fractured vertebrae in her neck.
Rebecca Adlington told host Davina McCall the fall that caused her shoulder injury was "literally the worst thing that has ever happened to me, it was worse than childbirth".
Mark-Francis Vandelli from Made in Chelsea has left Channel 4 series the Jump after fracturing his ankle.

Brown quit the Scotland fold last week having reached the 50 cap mark, to focus all his attention on his club.
However, the 31-year-old says he was worried about disappointing national coach Gordon Strachan, who first took him to Parkhead from Hibernian.
"I've been playing international football for 11 years with no break at all, season over season," said Brown.
"It's a sad day for myself. I really enjoyed playing for Scotland and I think the biggest thing for me was letting the gaffer down.
"He brought me to Celtic and he means so much to me. We spoke and he was wonderful, to be perfectly honest."
Brown responded firmly to those who have criticised the timing of his decision, with the 2018 World Cup qualifiers beginning in Malta on Sunday, 4 September.
"Well, I don't want to pull out halfway through a campaign, do I?" he told BBC Scotland. "Once my mind's set, that's it. For me there's no going back.
"I'm quite stubborn that way and I think it's good timing for pretty much everyone.
"I've done 11 hard seasons going away on international breaks, not seeing family, not having the chill-out time.
"So, I think it's a good time for me to call it a day."
Speaking at Monday's squad announcement, Strachan admitted the national team were "weaker" without Brown, but did not name his successor as captain.
The Scotland boss confirmed he would speak to West Bromwich Albion midfielder Darren Fletcher, who wore the armband in summer friendlies against Italy and France, but Hull City midfielder Robert Snodgrass has also "thrown his name into the hat".
Celtic captain Scott Brown believes he had to be selfish when deciding to retire from international football.

It is claimed two men forced their way into a Bushmoor Crescent property in Shooters Hill on 1 July and took credit cards, debit cards and Â£700 in cash.
The 22-year-old, of Peareswood Road, Erith, was also charged with sexual assault, fraud and cannabis possession.
He is due before Bromley magistrates' on 17 August.
The Metropolitan Police is also trying to locate a second man - who was wearing a khaki uniform at the time and spoke with an African accent - in connection with the incident.
He is described as black, about 6ft 2ins tall, of medium build and with short cropped black hair.

A man has been charged with aggravated burglary after the home of two pensioners was targeted in south-east London.

