Frank Arneil Walker OBE is a Scottish architectural academic and writer. He is emeritus professor of architecture of the University of Strathclyde, having retired in 2003.

Walker was educated at Paisley Grammar School.^[1] He studied at the Glasgow School of Art and then worked in practice for around ten years.^[2]

He was a lecturer in Architecture and building science at the University of Strathclyde, and was involved in a cultural exchange programme with Czechoslovakia, taking a trip there in 1977.^[3] He retired from the university in 2003, becoming an emeritus professor.^[4][5]

He has written regularly on architectural and urban history, is author of The South Clyde Estuary,^[6][7] and co-author of The North Clyde Estuary and Central Glasgow^[8] in the Royal Incorporation of Architects in Scotland series of handbooks on Scottish architecture.

He is also a contributor to the Buildings of Scotland series, having written Argyll and Bute^[9] and co-written the Stirling and Central Scotland and Lanarkshire and Renfrewshire volumes.^[10][11] The Argyll and Bute volume took seven years to write and was first published in 2000.^[12] Mousa to Mackintosh was published in 2023.^[2][13] It was shortlisted for the Research Award at the 2023 Saltire Society Literary Awards.^[14]

Walker was made Officer of the Order of the British Empire (OBE) in the 2002 New Year Honours for services to architectural history and conservation.^[15]