Murdo Fraser MSP for Mid Scotland and Fife, endorsed her ahead of Rushi Sunak, Chancellor of the Exchequer in the two-way race to move into 10 Downing Street following the resignation of Boris Johnson.
He is one of nine Scottish MSPs to publicly endorse the Foreign Secretary in her bid to become the UK’s third female Prime Minister.
Ms Truss has said she will not allow a second Scottish independence referendum to take place if she becomes Prime Minister.
in Pictures: These P1 school photos from 1994 will spark many memories
Two drivers in Fife caught doing more than 100mph as one had kids in car
Fife wildfire: Firefighters battle blaze in field near Fairmont Hotel
Joseph Lowther: Fife rapist committed sex attacks on women and girls over course of 20 years
Fife rapist dangled pregnant sex attack victim over railway bridge
Mr Fraser said: She has a great track record of delivering in every job she’s had in government, not least as Foreign Secretary, delivering trade deals to benefit businesses here in Scotland and across the UK.
“She understands Scotland. She went to school in Paisley, she’s had great engagement with the Scottish Parliament and its committees, and with Scottish business during her time in government, and she knows what the UK Government has to do to make a positive case for the United Kingdom to keep our union together.
“And she’s got the right ideas to take our country forward, to tackle the issues that really matter to people, including the rising cost of living.”