Fellow Australian Steve Smith posted a pciture of Phil on his Instagram handle and wrote on his Twitter handle @stevesmith49: "Miss you bro #408". His post got 148 retweets and 2K likes.
#63NotOutForever trended on Twitter, garnering 2,235 tweets.
Former Australian Cricketer Michael Clarke posted a short message on his Instagram page, paying tribute to Hughes. He said: "Everyday I think of you, but this week even more. Wish you were here buddy."
Cricket Australia said: "Forever in our hearts." #63notout
Congress leader Jyotiraditya Scindia posted : "#philliphughes unfortunate demise was a loss for cricket. My thoughts are with his loved ones. #63NotOutForever".
Another fan wrote: "We still remember even after 5 years, you will always be remembered 63 not out forever. Cricket lost Phil Hughes but he'll always be in our hearts. #63NotOutForever".
"Remembering Phillip Hughes, five years to the day on which he tragically passed away at the age of 25 #63NotOutForever," said another fan.
A user posted: "Five years ago today a young man left the world while doing what he loved the most. Hughesy, forever in our hearts."
"It was the saddest day in cricket history. RIP #Philhughes #63NotOutForever #63notout".
Hughes batting for South Australia in a Sheffield Shield match against New South Wales at the Sydney Cricket Ground. He was wearing a helmet, but the ball struck an unprotected area just below his left ear.
Hughes sustained a brain hemorrhage and died two days later without regaining consciousness at a nearby hospital. Cricket Australia hopes to underline the need to use neck guards.
( With inputs from IANS )