Brian Harrison may refer to:

• Brian Harrison (Conservative politician) (1921–2011), Australian-born British Conservative politician
• Brian Harrison (historian) (born 1937), editor of Oxford Dictionary of National Biography and professor
• Brian Harrison (Labour politician), councillor in Old Moat, Manchester, England
• Brian Harrison (theologian) (born 1945), Australian-born Roman Catholic priest and theologian

• Walter Lawrence Bragg
• Walter Lazarus
• Walter L. Budge
• Walter L Buller
• Walter L. Dexter
• Walter Leal
• Walter Ledgard Jr.
• Walter Ledgard, Jr.
• Walter Lee Gibbons
• Walter Lee Lingle
• Walter Lee Miller, Jr.
• Walter Lees (golfer)
• Walter Lee (trade unionist)
• Walter Lehmann (disambiguation)
• Walter Leibundgut
• Walter Leigh (footballer)
• Walter Lemke Department of Journalism
• Walter Lemon Jr.
• Walter Lemon, Jr.
• Walter Lemos
• Walter Lenck
• Walter Lenkeit
• Walter Leroy Moody
• Walter Leroy Moody Jr
• Walter Leroy Moody Jr.