Career
Lauchlan came through the youth system at Partick Thistle and made his debut for the club against Morton in January 1998. In spite of injury affecting his early development at Thistle, Lauchlan moved to Street Johnstone in July 1999, for an initial fee of £45,000. The midfielder made six Premier League appearances in his four years at Saints, all as substitute, and spent time on loan at Dumbarton.
Released by Street Johnstone in July 2003, he joined Stenhousemuir then later played for Irish side Finn Harps and Elgin City before dropping to Junior level with Bellshill Athletic, Petershill, Vale of Clyde and Shettleston.
Lauchlan joined Forth Wanderers as assistant manager in August 2012 and later occupied a similar role at Wishaw Juniors. He became a manager in his own right when appointed Rossvale boss in July 2014 and led the club to their first honour in the Junior game by winning the 2014-2015 Central District Second Division title.
On 28 February 2016, Lauchlan resigned as Manager of Rossvale.
On 21 March 2016, Lauchlan join Lowland League outfit East Kilbride as Manager.
Lauchlan represented Scotland at youth level during his spell at Partick Thistle.
Martin is the brother of fellow professional football player Jim Lauchlan.