James Alexander Porterfield Rynd (6 April 1846 – 17 March 1917) was an Irish chess player and lawyer.
Porterfield Rynd held an LLB, in 1869 he entered the King's Inns, Dublin, and was called to the Bar in 1874.
[1] On 7 September 1869 he married Anna Cranwill and on 9 October 1873 his first child was born: Kenneth Arly Rynd.
Rynd was a member of Dublin Chess Club and played in the first ever Armstrong Cup, the oldest Irish league competition.
In the 1890s Porterfield Rynd edited a chess column which regularly appeared on the back page of the Saturday issue of Dublin's Evening Herald.