You would need to be more specific. There are many Aboriginal languages. Here is a partial list:

Adnyamathanha

Aghu Tharnggalu

Alawa

Alngith

Alyawarr

Amarag

Ami

Andegerebinha

Angloromani

Anindilyakwa

Anmatyerre

Antakarinya

Arabana

Areba

Arrarnta, Western

Arrernte, Eastern

Atampaya

Australian Aborigines Sign Language

Australian Sign Language

Awabakal

Ayabadhu

Badimaya

Bandjalang

Bandjigali

Banggarla

Bardi

Barrow Point

Bayali

Bayungu

Bidyara

Biri

Broome Pearling Lugger Pidgin

Bunaba

Burarra

Burduna

Dagoman

Darling

Dayi

Dhalandji

Dhangu

Dhargari

Dhurga

Dhuwal

Dieri

Dirari

Djambarrpuyngu

Djamindjung

Djangun

Djauan

Djawi

Djeebbana

Djinang

Djinba

Djingili

Djiwarli

Dyaabugay

Dyaberdyaber

Dyangadi

Dyirbal

Dyugun

Erre

Flinders Island

Gadjerawang

Gagadu

Gambera

Gamilaraay

Ganggalida

Gangulu

Garawa

Garig-Ilgar

Giyug

Gooniyandi

Gudanji

Gugadj

Gugu Badhun

Gugu Warra

Gugubera

Guguyimidjir

Gumatj

Gungabula

Gunwinggu

Gunya

Gupapuyngu

Guragone

Gurdjar

Gureng Gureng

Gurinji

Guwamu

Guyani

Iwaidja

Jaru

Kala Lagaw Ya

Kalarko

Kalkutung

Kamu

Kanju

Karadjeri

Kariyarra

Kayardild

Kaytetye

Kitja

Kokata

Kriol

Kukatja

Kuku-Mangk

Kuku-Mu'inh

Kuku-Muminh

Kuku-Ugbanh

Kuku-Uwanh

Kuku-Yalanji

Kumbainggar

Kunbarlang

Kungarakany

Kunggara

Kunggari

Kunjen

Kurrama

Kuthant

Kuuku-Ya'u

Kwini

Lamu-Lamu

Laragia

Lardil

Leningitij

Limilngan

Madngele

Malay, Cocos Islands

Malgana

Manangkari

Manda

Mandandanyi

Mangala

Mangarayi

Mangerr

Mara

Maranunggu

Margany

Margu

Maridan

Maridjabin

Marimanindji

Maringarr

Marithiel

Mariyedi

Marriammu

Marti Ke

Martu Wangka

Martuyhunira

Maung

Mayaguduna

Maykulan

Mbabaram

Mbara

Mbariman-Gudhinma

Meriam

Miriwung

Miwa

Mudbura

Mullukmulluk

Muluridyi

Murrinh-Patha

Muruwari

Nakara

Nangikurrunggurr

Narrinyeri

Ngaanyatjarra

Ngadjunmaya

Ngalakan

Ngalkbun

Ngamini

Ngandi

Nganyaywana

Ngarinman

Ngarinyin

Ngarla

Ngarluma

Ngawun

Ngura

Ngurmbur

Nhanda

Nhuwala

Nijadali

Nimanbur

Nugunu

Nungali

Nunggubuyu

Nyamal

Nyangga

Nyangumarta

Nyawaygi

Nyigina

Nyulnyul

Nyunga

Pakanha

Panytyima

Pini

Pinigura

Pintiini

Pintupi-Luritja

Pirlatapa

Pitcairn-Norfolk

Pitjantjatjara

Pitta Pitta

Rembarunga

Ritarungo

Thayore

Thaypan

Thurawal

Tiwi

Tjurruru

Torres Strait Creole

Tyaraity

Umbindhamu

Umbugarla

Umbuygamu

Umpila

Uradhi

Urningangg

Wadjiginy

Wadjigu

Wagaya

Wageman

Wajarri

Wakawaka

Walmajarri

Wambaya

Wamin

Wandarang

Wangaaybuwan-Ngiyambaa

Wanggamala

Wangganguru

Wanman

Waray

Wardaman

Wariyangga

Warlmanpa

Warlpiri

Warluwara

Warrgamay

Warrwa

Warumungu

Warungu

Wikalkan

Wik-Epa

Wik-Iiyanh

Wik-Keyangan

Wik-Me'anha

Wik-Mungkan

Wik-Ngathana

Wikngenchera

Wilawila

Wiradhuri

Wirangu

Worimi

Worora

Wuliwuli

Wulna

Wunambal

Wurrugu

Yalarnnga

Yandruwandha

Yangman

Yankunytjatjara

Yan-nhangu

Yanyuwa

Yawarawarga

Yawuru

Yidiny

Yindjibarndi

Yindjilandji

Yinggarda

Yir Yoront

Yugambal

Aboriginals spoke more than 200 languages. Those that survive today are:

Adnyamathanha

Aghu Tharnggalu

Alawa

Alngith

Alyawarr

Amarag

Ami

Andegerebinha

Angloromani

Anindilyakwa

Anmatyerre

Antakarinya

Arabana

Areba

Arrarnta, Western

Arrernte, Eastern

Atampaya

Australian Aborigines Sign Language

Australian Sign Language

Awabakal

Ayabadhu

Badimaya

Bandjalang

Bandjigali

Banggarla

Bardi

Barrow Point

Bayali

Bayungu

Bidyara

Biri

Broome Pearling Lugger Pidgin

Bunaba

Burarra

Burduna

Dagoman

Darling

Dayi

Dhalandji

Dhangu

Dhargari

Dhurga

Dhuwal

Dieri

Dirari

Djambarrpuyngu

Djamindjung

Djangun

Djauan

Djawi

Djeebbana

Djinang

Djinba

Djingili

Djiwarli

Dyaabugay

Dyaberdyaber

Dyangadi

Dyirbal

Dyugun

Erre

Flinders Island

Gadjerawang

Gagadu

Gambera

Gamilaraay

Ganggalida

Gangulu

Garawa

Garig-Ilgar

Giyug

Gooniyandi

Gudanji

Gugadj

Gugu Badhun

Gugu Warra

Gugubera

Guguyimidjir

Gumatj

Gungabula

Gunwinggu

Gunya

Gupapuyngu

Guragone

Gurdjar

Gureng Gureng

Gurinji

Guwamu

Guyani

Iwaidja

Jaru

Kala Lagaw Ya

Kalarko

Kalkutung

Kamu

Kanju

Karadjeri

Kariyarra

Kayardild

Kaytetye

Kitja

Kokata

Kriol

Kukatja

Kuku-Mangk

Kuku-Mu'inh

Kuku-Muminh

Kuku-Ugbanh

Kuku-Uwanh

Kuku-Yalanji

Kumbainggar

Kunbarlang

Kungarakany

Kunggara

Kunggari

Kunjen

Kurrama

Kuthant

Kuuku-Ya'u

Kwini

Lamu-Lamu

Laragia

Lardil

Leningitij

Limilngan

Madngele

Malay, Cocos Islands

Malgana

Manangkari

Manda

Mandandanyi

Mangala

Mangarayi

Mangerr

Mara

Maranunggu

Margany

Margu

Maridan

Maridjabin

Marimanindji

Maringarr

Marithiel

Mariyedi

Marriammu

Marti Ke

Martu Wangka

Martuyhunira

Maung

Mayaguduna

Maykulan

Mbabaram

Mbara

Mbariman-Gudhinma

Meriam

Miriwung

Miwa

Mudbura

Mullukmulluk

Muluridyi

Murrinh-Patha

Muruwari

Nakara

Nangikurrunggurr

Narrinyeri

Ngaanyatjarra

Ngadjunmaya

Ngalakan

Ngalkbun

Ngamini

Ngandi

Nganyaywana

Ngarinman

Ngarinyin

Ngarla

Ngarluma

Ngawun

Ngura

Ngurmbur

Nhanda

Nhuwala

Nijadali

Nimanbur

Nugunu

Nungali

Nunggubuyu

Nyamal

Nyangga

Nyangumarta

Nyawaygi

Nyigina

Nyulnyul

Nyunga

Pakanha

Panytyima

Pini

Pinigura

Pintiini

Pintupi-Luritja

Pirlatapa

Pitcairn-Norfolk

Pitjantjatjara

Pitta Pitta

Rembarunga

Ritarungo

Thayore

Thaypan

Thurawal

Tiwi

Tjurruru

Torres Strait Creole

Tyaraity

Umbindhamu

Umbugarla

Umbuygamu

Umpila

Uradhi

Urningangg

Wadjiginy

Wadjigu

Wagaya

Wageman

Wajarri

Wakawaka

Walmajarri

Wambaya

Wamin

Wandarang

Wangaaybuwan-Ngiyambaa

Wanggamala

Wangganguru

Wanman

Waray

Wardaman

Wariyangga

Warlmanpa

Warlpiri

Warluwara

Warrgamay

Warrwa

Warumungu

Warungu

Wikalkan

Wik-Epa

Wik-Iiyanh

Wik-Keyangan

Wik-Me'anha

Wik-Mungkan

Wik-Ngathana

Wikngenchera

Wilawila

Wiradhuri

Wirangu

Worimi

Worora

Wuliwuli

Wulna

Wunambal

Wurrugu

Yalarnnga

Yandruwandha

Yangman

Yankunytjatjara

Yan-nhangu

Yanyuwa

Yawarawarga

Yawuru

Yidiny

Yindjibarndi

Yindjilandji

Yinggarda

Yir Yoront

Yugambal

It depends on which Aboriginal language you're talking about. Here is a list of all 274 languages spoken in Australia (including about 100 whose current status is unknown):

1. Adnyamathanha

2. Aghu Tharnggalu

3. Alawa

4. Alngith

5. Alyawarr

6. Amarag

7. Ami

8. Andegerebinha

9. Angloromani

10. Anindilyakwa

11. Anmatyerre

12. Antakarinya

13. Arabana

14. Areba

15. Arrarnta, Western

16. Arrernte, Eastern

17. Atampaya

18. Australian Aborigines Sign Language

19. Australian Sign Language

20. Awabakal

21. Ayabadhu

22. Badimaya

23. Bandjalang

24. Bandjigali

25. Banggarla

26. Bardi

27. Barrow Point

28. Bayali

29. Bayungu

30. Bidyara

31. Biri

32. Broome Pearling Lugger Pidgin

33. Bunaba

34. Burarra

35. Burduna

36. Dagoman

37. Darling

38. Dayi

39. Dhalandji

40. Dhangu

41. Dhargari

42. Dhurga

43. Dhuwal

44. Dieri

45. Dirari

46. Djambarrpuyngu

47. Djamindjung

48. Djangun

49. Djauan

50. Djawi

51. Djeebbana

52. Djinang

53. Djinba

54. Djingili

55. Djiwarli

56. Dyaabugay

57. Dyaberdyaber

58. Dyangadi

59. Dyirbal

60. Dyugun

61. English

62. Erre

63. Flinders Island

64. Gadjerawang

65. Gagadu

66. Gambera

67. Gamilaraay

68. Ganggalida

69. Gangulu

70. Garawa

71. Garig-Ilgar

72. Giyug

73. Gooniyandi

74. Gudanji

75. Gugadj

76. Gugu Badhun

77. Gugu Warra

78. Gugubera

79. Guguyimidjir

80. Gumatj

81. Gungabula

82. Gunwinggu

83. Gunya

84. Gupapuyngu

85. Guragone

86. Gurdjar

87. Gureng Gureng

88. Gurinji

89. Guwamu

90. Guyani

91. Iwaidja

92. Jaru

93. Kala Lagaw Ya

94. Kalarko

95. Kalkutung

96. Kamu

97. Kanju

98. Karadjeri

99. Kariyarra

100. Kayardild

101. Kaytetye

102. Kitja

103. Kokata

104. Kriol

105. Kukatja

106. Kuku-Mangk

107. Kuku-Mu'inh

108. Kuku-Muminh

109. Kuku-Ugbanh

110. Kuku-Uwanh

111. Kuku-Yalanji

112. Kumbainggar

113. Kunbarlang

114. Kungarakany

115. Kunggara

116. Kunggari

117. Kunjen

118. Kurrama

119. Kuthant

120. Kuuku-Ya'u

121. Kwini

122. Lamu-Lamu

123. Laragia

124. Lardil

125. Leningitij

126. Limilngan

127. Madngele

128. Malay, Cocos Islands

129. Malgana

130. Manangkari

131. Manda

132. Mandandanyi

133. Mangala

134. Mangarayi

135. Mangerr

136. Mara

137. Maranunggu

138. Margany

139. Margu

140. Maridan

141. Maridjabin

142. Marimanindji

143. Maringarr

144. Marithiel

145. Mariyedi

146. Marriammu

147. Marti Ke

148. Martu Wangka

149. Martuyhunira

150. Maung

151. Mayaguduna

152. Maykulan

153. Mbabaram

154. Mbara

155. Mbariman-Gudhinma

156. Meriam

157. Miriwung

158. Miwa

159. Mudbura

160. Mullukmulluk

161. Muluridyi

162. Murrinh-Patha

163. Muruwari

164. Nakara

165. Nangikurrunggurr

166. Narrinyeri

167. Ngaanyatjarra

168. Ngadjunmaya

169. Ngalakan

170. Ngalkbun

171. Ngamini

172. Ngandi

173. Nganyaywana

174. Ngarinman

175. Ngarinyin

176. Ngarla

177. Ngarluma

178. Ngawun

179. Ngura

180. Ngurmbur

181. Nhanda

182. Nhuwala

183. Nijadali

184. Nimanbur

185. Nugunu

186. Nungali

187. Nunggubuyu

188. Nyamal

189. Nyangga

190. Nyangumarta

191. Nyawaygi

192. Nyigina

193. Nyulnyul

194. Nyunga

195. Pakanha

196. Panytyima

197. Pini

198. Pinigura

199. Pintiini

200. Pintupi-Luritja

201. Pirlatapa

202. Pitcairn-Norfolk

203. Pitjantjatjara

204. Pitta Pitta

205. Rembarunga

206. Ritarungo

207. Thayore

208. Thaypan

209. Thurawal

210. Tiwi

211. Tjurruru

212. Torres Strait Creole

213. Tyaraity

214. Umbindhamu

215. Umbugarla

216. Umbuygamu

217. Umpila

218. Uradhi

219. Urningangg

220. Wadjiginy

221. Wadjigu

222. Wagaya

223. Wageman

224. Wajarri

225. Wakawaka

226. Walmajarri

227. Wambaya

228. Wamin

229. Wandarang

230. Wangaaybuwan-Ngiyambaa

231. Wanggamala

232. Wangganguru

233. Wanman

234. Waray

235. Wardaman

236. Wariyangga

237. Warlmanpa

238. Warlpiri

239. Warluwara

240. Warrgamay

241. Warrwa

242. Warumungu

243. Warungu

244. Wikalkan

245. Wik-Epa

246. Wik-Iiyanh

247. Wik-Keyangan

248. Wik-Me'anha

249. Wik-Mungkan

250. Wik-Ngathana

251. Wikngenchera

252. Wilawila

253. Wiradhuri

254. Wirangu

255. Worimi

256. Worora

257. Wuliwuli

258. Wulna

259. Wunambal

260. Wurrugu

261. Yalarnnga

262. Yandruwandha

263. Yangman

264. Yankunytjatjara

265. Yan-nhangu

266. Yanyuwa

267. Yawarawarga

268. Yawuru

269. Yidiny

270. Yindjibarndi

271. Yindjilandji

272. Yinggarda

273. Yir Yoront

274. Yugambal