See out the list of English boys names letters I to L including names such as Jack, Joe and Leo:
| Name | Description | Popularity |
| Ike | A form of Isaac. | * |
| Ingram | Ingram from medieval name Engelram. | * |
| Irving | Local place name in near Dumfries. | * |
| Isaiah | Biblical name meaning God is salvation. | * |
| Ivor | This male name means bowed warrior. | * |
| Jack | The English name is a pet form of John. | ***** |
| Jackie | Pet form of Jack. | ** |
| Jackson | Jackson means the son of Jack. | *** |
| Jacob | Biblical name from the Hebrew name Yaakov. | ***** |
| Jake | English name derived from Jack. | ***** |
| Jamie | A pet name for James | ***** |
| James | Biblical name from the Latin name Iacomus. | ***** |
| Jarvis | English name from the Norman name Gervaise. | ** |
| Jason | From Greek mythology Iason. | *** |
| Jasper | A bearer of treasure (as in the 3 wise men) | ** |
| Jed | Short for Jedidiah. | * |
| Jeff | Pet form of Jeffrey. | ** |
| Jeffrey | English name from Geoffrey | *** |
| Jefferson | Son of Jeffrey. | * |
| Jenson | Means son of Jens. | **** |
| Jeremy | English version of Jeremiah. | *** |
| Jermaine | Male name from Germaine. | ** |
| Jerome | means holy name. | ** |
| Jerrard | Jerrard from the name Gerard. | ** |
| Jerrold | Jerrold from Gerald. | * |
| Jerry | Pet form of Jeremy. | ** |
| Jesse | Meaning gift. | * |
| Jethro | Derived from the Hebrew name Ithra. | * |
| Jim | Pet form of the English boy’s name James. | *** |
| Jimmy | Jimmy from Jim. | ** |
| Joe | Short for Joseph. | **** |
| Jody | Jody can be a male name but it’s more commonly female name. | * |
| Joey | Pet form of Joe. | **** |
| John | Anglicised version of Ioannes. | ***** |
| Johnathan | Variant of Jonathan. | * |
| Johnny | Pet form of John. | *** |
| Jordan | Jordan from the river Jordan. | *** |
| Joseph | From Yosef meaning God will make you fertile. | **** |
| Josh | Pet form of Joshua. | **** |
| Judd | Judd pet form of Jordan. | * |
| Jude | Jude from the name Judas. | **** |
| Julian | English version of yhe name Julius. | *** |
| Justin | English version of the name Justus. | *** |
| Keith | English name from the place in East Lothian. | *** |
| Kelly | Kelly is an English boy’s name for Ceallagh. | ** |
| Kelsey | Means ship’ s victory. | * |
| Kelvin | From the river that branches into the Clyde. | ** |
| Kemp | Means athlete or wrestler. | * |
| Ken | Pet form of Kenneth. | *** |
| Kendrick | Origin unknown. | ** |
| Kenelm | Means bold helmet protector. | ** |
| Kennard | Kennard from the middle ages- could mean royal guard. | ** |
| Kenneth | From the Gaelic names Cinaed and Cainnech. | ** |
| Kent | Someone from Kent in England. | ** |
| Kenton | Kenton local places in England. | * |
| Kermit | Means son of Dermot. | * |
| Kerr | Someone who dwells by brushwood | * |
| Kerry | From the Irish county of Kerry. | *** |
| Kevin | From Gaelic name Caimhin. | *** |
| King | From the name of the monarch. | * |
| Kingsley | From places in Hampshire and Staffordshire. Means old wood. | * |
| Kit | Pet name of Christopher. | ** |
| Kyran | English spelling of Kieran. | * |
| Lacey | People from Lassy in France. | ** |
| Lambert | Lambert means famous land. | ** |
| Lance | Lance from the weapon a lance. | *** |
| Lancelot | Celtic origin. | ** |
| Larry | Pet form of Lawrence. | *** |
| Laurel | Meaning a tree. | ** |
| Laurence | A person from Laurentius. | ** |
| Lawrence | Anglicised form of Laurance. | ** |
| Lee | Means wood or clearing. | *** |
| Leighton | Means leek settlement. | ** |
| Leland | Someone from a fallow land. | * |
| Len | Len is short for Leonard. | *** |
| Lennard | English spelling of Leonard. | ** |
| Lenny | Variation of Leonard. | ** |
| Leo | Leo means a lion. | ***** |
| Leon | A form of Leo. | **** |
| Leonard | Meaning lion. | ** |
| Leopold | Meaning brave people. | ** |
| Leroy | Means the king. | ** |
| Les | Short for Lesley | ** |
| Lesley | Lesley name variant of Leslie | ** |
| Lester | name is from the English city Leicester. | * |
| Lewie | name is from the English city Leicester. | * |
| Lex | Pet name for Alex. | ** |
| Lincoln | From the English city Lincoln. | * |
| Linden | Means the lime tree. | * |
| Lindon | Variation of Lindon. | ** |
| Linsay | Linsay wetlands belonging to Lincon. | * |
| Linford | A mix of the words lime tree and ford. | * |
| Linton | Place names in England. | * |
| Lionel | From the name Leon. | ** |
| Lonnie | Origin unknown. | *** |
| Lorne | Origin unknown. | * |
| Louie | A variant of Louis. | **** |
| Lovell | Means club wolf. | ** |
| Lucas | A form of Luke. | ***** |
| Ludo | Pet form of Ludovic. | ** |
| Luke | Luke from name Loukas. | ***** |
| Luther | Means people army. | * |
| Lyndon | A place in Leicestershire. | ** |
| Lyle | Someone who live on an island. | ** |
Names: A-C, D-E, F-H, M-Q, R-Z
