The chef triumphed after receiving the majority of the public vote ahead of runner-up Kim Woodburn. Jimmy White had earlier exited the show in third place.
Speaking to Ant and Dec after leaving the jungle, D'Acampo remarked that his experience had been "full of crazy ups and downs", adding: "But I enjoyed every moment of it. And being named King of the jungle is the cherry on the cake!
"It's been amazing. Thank you so much!"
As he spoke about how much he had missed his wife and kids during his 21-day jungle stint, his sons rushed over to him in the studio. Clearly moved to see them again, D'Acampo embraced his children as he was crowned King of the jungle by last year's winner Joe Swash.