Yes, Nick Fury was indeed present at Tony Stark's funeral.
Following the "Blip" and the ultimate defeat of Thanos in Avengers: Endgame, Nick Fury, along with Maria Hill, returned to Earth. Both were confirmed to be in attendance at the poignant funeral of Tony Stark, held at his lakeside cabin.
Fury's presence at the solemn gathering underscored his enduring connection to the heroes he had largely been instrumental in assembling. His attendance, alongside many other key figures from the Marvel Cinematic Universe, paid tribute to Iron Man's ultimate sacrifice, marking a significant moment in the saga.
