Lyall Scott Barry (15 May 1926 – 3 October 2003) was a school teacher and inspector, and wrote a history of the Waimumu area in Southland.

[1] At the 1950 British Empire Games Barry won a gold medal as part of the New Zealand men's 4 × 220 yards freestyle relay team, alongside Michael Amos, Colin Chambers and Buddy Lucas.

[5] Barry began his teaching career as an itinerant physical education teacher, first in Southland and later in Canterbury.

[1] He studied part-time at Canterbury University College, graduating with a Bachelor of Science degree in 1955.

[1] While living in the south, Barry wrote a history of the Waimumu district, In the Lee of the Hokonuis, published in 1966.