Sir John Abinger, 1st Baronet (1750–1837), was an English lawyer and politician. He served as a Member of Parliament for Middlesex and was appointed as a baronet in 1806. Abinger was known for his contributions to legal reform and his involvement in various parliamentary debates during his political career. In addition to his political work, Abinger was also a prominent figure in the legal community. He held the position of Attorney General for England and Wales, where he played a significant role in shaping legal practices of his time. His legacy includes a commitment to improving the legal system in Britain.