| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Yarrowsburg | city | Maryland | United States | 39.37444 | -77.68389 | 508 | 7430 |
| Yeager | city | Maryland | United States | 39.39722 | -77.30472 | 492 | 11098 |
| Yellow Bank | city | Maryland | United States | 38.26056 | -76.80111 | 3 | 3270 |
| Yellow Pine Estates | city | Maryland | United States | 39.44806 | -76.95778 | 541 | 19647 |
| Yellow Springs | city | Maryland | United States | 39.47944 | -77.46028 | 498 | 21082 |
| Yeoho | city | Maryland | United States | 39.57139 | -76.72194 | 649 | 4582 |
| Yonkers | city | Maryland | United States | 39.695 | -78.64917 | 1519 | 2180 |
| York Ridge | city | Maryland | United States | 39.41111 | -76.64028 | 360 | 170443 |
| Yorke historical | city | Maryland | United States | 38.88722 | -76.075 | 49 | 2460 |
| Yorkland | city | Maryland | United States | 39.53556 | -76.93417 | 715 | 17221 |
| Yorkleigh | city | Maryland | United States | 39.38667 | -76.60639 | 449 | 202512 |
| Yorkshire Knolls | city | Maryland | United States | 38.89111 | -76.88611 | 200 | 230247 |
| Yorktown | city | Maryland | United States | 39.11167 | -76.63111 | 78 | 79733 |
| Yorktown | city | Maryland | United States | 39.38361 | -76.60694 | 449 | 202512 |
| Yorktown | city | Maryland | United States | 39.02639 | -76.42306 | 3 | 35799 |
| Young Mans Fancy | city | Maryland | United States | 39.71083 | -76.79611 | 823 | 7587 |
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