1891 in Denmark

Events from the year 1891 in Denmark.

Incumbents

 * Monarch – Christian IX
 * Prime minister – J. B. S. Estrup

Sports

 * 3 May – Vejle Boldklub is founded.

Births

 * 5 January – Grethe Glad, fashion designer and educator (died 1990)
 * 2 March – Gerda Henning, designer (died 1951)
 * 7 April – Ole Kirk Christiansen, entrepreneur and businessman, inventor of Lego (d.1958)
 * 1 October – Svend Methling, actor (died 1977)

Deaths

 * 8 April – Elise Holst, stage actress (born 1811)
 * 9 June – Ludvig Lorenz, mathematician and physicist (born 1829)
 * 15 August – Louise Sahlgreenm actress (born 1818)
 * 28 November – Christen Berg, politician (born 1829)
 * 21 December – Georg Emil Hansen, photographer (born 1833)