John de Lacy | |
|---|---|
| 2nd Earl of Lincoln, of the fourth creation | |
 Arms of John de Lacy, as Lord of Pontefract Castle, and at the sealing of Magna Carta: Or, a lion rampant purpure | |
| Predecessor | Hawise of Chester, 1st Countess of Lincoln (suo jure) |
| Successor | Margaret de Quincy, Countess of Lincoln (suo jure) |
| Born | c. 1192 |
| Died | 22 July 1240 |
| Buried | Cistercian Abbey of Stanlow, in County Chester |
| Nationality | English |
| Offices | Constable of Chester |
| Spouse(s) | Alice de L'Aigle Margaret de Quincy |
| Issue | Joan de Lacy Edmund de Lacy, Baron of Pontefract Maud de Lacy |
| Parents | Roger de Lacy Maud de Clere |
John de Lacy, 2nd Earl of Lincoln (c. 1192 – 22 July 1240) was hereditary Constable of Chester, 7th Baron of Pontefract, 8th Baron of Halton and 8th Lord of Bowland.