Timothy Jerome Houston ECNS MLA FCPA (born April 10, 1970) is a Canadian politician who has served as the 30th premier of Nova Scotia since 2021, and leader of the Progressive Conservative Party since 2017. He was first elected to the Nova Scotia House of Assembly in the 2013 provincial election, and represents the electoral district of Pictou East. He was the leader of the opposition from 2018 to 2021.

Houston and the Progressive Conservative party won a majority government in the 2021 Nova Scotia general election, making him the first Progressive Conservative premier since 2009. He called a snap election in 2024, increasing his party's majority mandate.

Houston was born in Halifax, Nova Scotia, and grew up in a military family on bases across Canada. He attended Halifax West High School.

Houston attended Saint Mary's University, where he earned a Bachelor of Commerce. He went on to receive his Chartered Accountant designation in Halifax, before moving to Bermuda where he worked with Deloitte in the insurance industry. In 2017, it came to light that Houston's name had been mentioned several times in the Paradise Papers, due to him having held positions as director and vice-president of Inter-Ocean Holdings and several related Bermuda-based reinsurance companies while living and working in Bermuda.

On November 2, 2020, Houston was awarded the accounting profession's highest mark of distinction, the Fellow (FCPA) designation, by the Chartered Professional Accountants of Nova Scotia.

On November 27, 2012, Houston won the Progressive Conservative nomination in the riding of Pictou East for the 2013 Nova Scotia general election.

Houston was elected MLA of Pictou East on October 8, 2013, with 48.05% of the vote. He was re-elected on May 30, 2017 with 73.9% of the vote.

Houston introduced the Pregnancy and Infant Loss Awareness Act in October, 2017 which passed with all-party support. The bill establishes October 15 as a day of awareness about miscarriage, still birth and infant death.