Here is a list of dinosaurs beginning with S.

1. Sahaliyania
2. Saichania
3. Saltasaurus
4. Saltriovenator
5. Sanjuansaurus
6. Sanpasaurus
7. Santanaraptor
8. Sanxiasaurus
9. Sarahsaurus
10. Sarcolestes
11. Sarcosaurus
12. Sarmientosaurus
13. Saturnalia
14. Saurolophus
15. Sauroniops
16. Sauropelta
17. Saurophaganax
18. Sauroplites
19. Sauroposeidon
20. Saurornithoides
21. Saurornitholestes
22. Savannasaurus
23. Scansoriopteryx
24. Scelidosaurus
25. Schleitheimia
26. Scipionyx
27. Sciurumimus
28. Scolosaurus
29. Scutellosaurus
30. Secernosaurus
31. Sefapanosaurus
32. Segisaurus
33. Segnosaurus
34. Seitaad
35. Sektensaurus
36. Serendipaceratops
37. Serikornis
38. Shamosaurus
39. Shanag
40. Shantungosaurus
41. Shanxia
42. Shanyangosaurus
43. Shaochilong
44. Shenzhousaurus
45. Shidaisaurus
46. Shingopana
47. Shishugounykus
48. Shixinggia
49. Shri
50. Shuangmiaosaurus
51. Shunosaurus
52. Shuvuuia
53. Siamodon
54. Siamosaurus
55. Siamotyrannus
56. Siamraptor
57. Siats
58. Sibirotitan
59. Sierraceratops
60. Siluosaurus
61. Silutitan
62. Silvisaurus
63. Similicaudipteryx
64. Sinankylosaurus
65. Sinocalliopteryx
66. Sinocephale
67. Sinoceratops
68. Sinocoelurus
69. Sinornithoides
70. Sinornithomimus
71. Sinornithosaurus
72. Sinosauropteryx
73. Sinosaurus
74. Sinotyrannus
75. Sinovenator
76. Sinraptor
77. Sinusonasus
78. Sirindhorna
79. Skorpiovenator
80. Smitanosaurus
81. Sonidosaurus
82. Sonorasaurus
83. Soriatitan
84. Spectrovenator
85. Sphaerotholus
86. Spiclypeus
87. Spicomellus
88. Spinophorosaurus
89. Spinops
90. Spinosaurus
91. Spinostropheus
92. Staurikosaurus
93. Stegoceras
94. Stegopelta
95. Stegosaurides
96. Stegosaurus
97. Stegouros
98. Stellasaurus
99. Stenonychosaurus
100. Stenopelix
101. Stephanosaurus
102. Stokesosaurus
103. Streptospondylus
104. Struthiomimus
105. Struthiosaurus
106. Styracosaurus
107. Suchomimus
108. Supersaurus
109. Suskityrannus
110. Suuwassea
111. Suzhousaurus
112. Syngonosaurus
113. Szechuanosaurus