Irwin Grimshaw (4 May 1857 – 18 January 1911) was an English first-class cricketer, who played 125 first-class games for Yorkshire County Cricket Club between 1880 and 1887. Born in Farsley, Leeds, Yorkshire, England, Grimshaw also appeared in thirteen other first-class games for T Emmett's XI (1881-1883), A Shaw's XI (1881), North of England (1883-1887), Nottinghamshire and Yorkshire (1883), the Players (1884), an England XI (1884-1886), Lord Sheffield's XI (1885) and L Hall's XI (1885). Grimshaw died in Farsley on 18 January 1911, and was buried at Calverley in Leeds.