Swaraj, 67, passed away late on Tuesday after suffering a massive cardiac arrest.
Her sudden demise led to an outpour of emotions on the social media as various sports personalities expressed shock and grief and recalled the moments when they got to interact with her.
"I'm beyond aggrieved at the passing away of Sushma Swaraj A veteran politician and a pillar of the BJP, she was loved by everyone. She will be remembered as the most endearing and helpful politic of recent times. My condolences to her family and friends. A huge loss for India," said cricketer-turned-politician Gautam Gambhir.
"Heartfelt condolences to family and admirers of Sushma Swarajji," tweeted former Indian opener Virender Sehwag.
"Shocked by the sudden demise of Sushma Swarajji. In a political career spanning over 50 years, she touched a billion hearts with her strength, grace and compassion. Her clutter breaking approach as the External Affairs Minister will always be revered and remembered," said former Union Minister and Olympic medallist Rajyavardhan Singh Rathore.
"Shocked at the passing away of my dear Sushma Swarajji. Had the honour of working as the brand ambassador of the 'girl child' campaign under her able guidance and will cherish my personal relationship with her forever. R.I.P. ma'am," said tennis star Sania Mirza.
Fierce, result-driven and a people's person - she was all of that and more. A true leader. Still unable to process the news of Sushma Swarajji's passing away. Extremely disturbed! A big loss for our nation. May you rest in peace!" said Indian cricketer Suresh Raina.
"One of my favourite politic. Lots to admire. Heartfelt condolences. Huge loss. Rest in peace," said cricketer-turned commentator Aakash Chopra.
"Here in the West Indies and just heard the terrible news of passing away of #SushmaSwarajji. Condolences to her family, gone too soon," said former Indian cricketer Mohammad Kaif who is currently in West Indies officiating as one of the commentators.
( With inputs from IANS )