Hydra
| Abbreviation | Hya |
| Translation | Water Snake |
- M48
- M68
- Southern Pinwheel Galaxy
- NGC2722
- NGC2754
- NGC2850
- NGC2868
- NGC2869
- NGC2897
- NGC2920
- NGC2956
- NGC2975
- NGC3028
- NGC3112
- NGC3133
- NGC3171
- NGC3242
- NGC3295
- NGC3296
- NGC3315
- NGC3321
- NGC3322
- NGC3402
- NGC3453
- NGC3606
- NGC4994
- NGC5051
- NGC5694
- NGC2706
- NGC2709
- NGC2713
- NGC2716
- NGC2718
- NGC2721
- NGC2723
- NGC2708
- NGC2729
- NGC2758
- NGC2763
- NGC2765
- NGC2781
- NGC2784
- NGC2811
- NGC2815
- NGC2817
- NGC2835
- NGC2847
- NGC2848
- NGC2851
- NGC2855
- NGC2858
- NGC2861
- NGC2863
- NGC2864
- NGC2865
- NGC2876
- NGC2877
- NGC2878
- NGC2881
- NGC2884
- NGC2889
- NGC2890
- NGC2898
- NGC2900
- NGC2902
- NGC2907
- NGC2917
- NGC2921
- NGC2924
- NGC2935
- NGC2936
- NGC2937
- NGC2945
- NGC2947
- NGC2951
- NGC2952
- NGC2960
- NGC2962
- NGC2983
- NGC2986
- NGC2989
- NGC2992
- NGC2993
- NGC2996
- NGC3025
- NGC3030
- NGC3037
- NGC3045
- NGC3052
- NGC3054
- NGC3058
- NGC3072
- NGC3076
- NGC3078
- NGC3081
- NGC3085
- NGC3091
- NGC3096
- NGC3109
- NGC3124
- NGC3127
- NGC3128
- NGC3138
- NGC3139
- NGC3140
- NGC3141
- NGC3143
- NGC3145
- NGC3146
- NGC3176
- NGC3178
- NGC3200
- NGC3203
- NGC3208
- NGC3233
- NGC3240
- NGC3280
- NGC3282
- NGC3285
- NGC3290
- NGC3297
- NGC3305
- NGC3307
- NGC3308
- NGC3309
- NGC3311
- NGC3312
- NGC3313
- NGC3314
- NGC3316
- NGC3331
- NGC3335
- NGC3336
- NGC3355
- NGC3369
- NGC3383
- NGC3390
- NGC3393
- NGC3404
- NGC3409
- NGC3420
- NGC3421
- NGC3422
- NGC3450
- NGC3463
- NGC3464
- NGC3483
- NGC3585
- NGC3617
- NGC3621
- NGC3673
- NGC3717
- NGC3885
- NGC3904
- NGC3923
- NGC3936
- NGC4087
- NGC4105
- NGC4106
- NGC4304
- NGC4456
- NGC4806
- NGC4831
- NGC4955
- NGC4965
- NGC4968
- NGC4970
- NGC4980
- NGC4993
- NGC5042
- NGC5048
- NGC5061
- NGC5078
- NGC5085
- NGC5101
- NGC5135
- NGC5150
- NGC5152
- NGC5153
- NGC5182
- NGC5260
- NGC5264
- NGC5328
- NGC5330
- NGC5393
- NGC5464
- NGC5495
- NGC5556
- NGC5592
- NGC5626
- NGC2555
- NGC2561
- NGC2574
- NGC2583
- NGC2584
- NGC2585
- NGC2589
- NGC2590
- NGC2610
- NGC2612
- NGC2615
- NGC2616
- NGC2617
- NGC2618
- NGC2642
- NGC2644
- NGC2662
- NGC2665
- NGC2674
- NGC2690
- NGC2695
- NGC2696
- NGC2697
- NGC2698
- NGC2699
