19. Floyd Mayweather, USA
When it comes to the list of the richest influencers on Instagram, then Floyd Mayweather must on it. He is the former boxer of America and made a massive comeback for one fight match in the year of 2017. He has been a great promoter of boxing and played in several divisions. He has around 22.7 million followers on Instagram and costs over $107,000 per post on his account. He is regarded as the motivator for boxers and has a total net worth of $700 million.