Allan or Alan Maclean may refer to:
Politicians Allan McLean (Upper Canada politician) (1752–1847), Scottish-born lawyer and politician in Upper Canada Allan M.A. McLean (1891–1969), Canadian businessman and politician Alan McLean (MP), Member of Parliament for South West Norfolk, 1923–1929 and 1931–1935 Allan McLean (Australian politician) (1840–1911) Al McLean (politician) (1937–2024), Canadian politician Alan J. H. Maclean, former politician in Jersey, Channel Islands
Sports Allan McLean (footballer) (1898–1968), Australian footballer for Melbourne Alan McLean (New Zealand cricketer) (1911–2003), New Zealand cricketer Allan McLean (1914–1989), known as Bob McLean, South Australian cricketer and footballer Alan McLean (golfer), Scottish golfer and winner of the 2012 Windsor Charity Classic
Other people Sir Allan Maclean, 3rd Baronet (1645–1674) Allan Maclean, 10th Laird of Ardgour (1668–1756) Sir Allan Maclean, 6th Baronet (1710–1783) Allan Maclean of Torloisk (1725–1798), Jacobite general Allan McLean (philanthropist) (1822–1907), New Zealand runholder and philanthropist Allan McLean (outlaw) (1855–1881), Canadian outlaw Allan Campbell McLean (1922–1989), English author of The Glasshouse, and other books, long resident on Skye