Sumitra Mahajan is an Indian politician who was the Speaker of Lok Sabha, the lower house of the Indian Parliament from 2014 to 2019. She belongs to Bharatiya Janata Party. She represented the Indore constituency of Madhya Pradesh from 1989 to 2019 as the longest serving Woman Member of Parliament.

The speaker of the Lok Sabha is the presiding officer and the highest authority of the Lok Sabha, the lower house of the Parliament of India. The speaker is elected generally in the first meeting of the Lok Sabha following general elections. Serving for a term of five years, the speaker is chosen from sitting members of the Lok Sabha. The longest-serving speaker was Balram Jakhar, whose tenure lasted 9 years and 329 days.