It may be a caring auntie or a mum who has battled the odds; it may be an inspirational teacher or a hard-working doctor; or it may be someone who has hit the headlines and led by example ...
Here are just a handful of suggestions to start you off:
A passionate female education campaigner who overcame being gunned down by the Taliban to win the Nobel Peace Prize
Actress and campaigner Watson gave a famous speech at the UN which Yousafzai says inspired her to become a feminist
Aung San Suu Kyi
The president of the National League for Democracy spent 15 years under house arrest rather than abandon her people despite being granted leave to exile herself instead
The Hollywood actress has made headlines for challenging industry pressure for women to lose weight, preferring to concentrate on being ‘fit and strong’
Chief operating officer of Facebook, Sandberg is an example of a woman at the forefront of one of the world’s most exciting industries. Previously she held senior positions at Google and in the US Treasury Department.
The co-founder and editor-in chief of the Huffington Post was a familiar face in US politics before co-founding the Huffington Post — the news aggregator and blog which has been credited with legitimising online journalism.
Chief executive of EasyJet, McCall had an early career in the media with the Guardian. Later she was a non-executive director at LLoyds TSB and Tesco. She won Veuve Clicquot Business Woman of the Year in 2008.
French lawyer and politician Lagarde has been managing director of the International Monetary Fund since 2011. Forbes magazine ranked her as the 5th most powerful women in the world in 2014