- アコトバ (Akotoba) by 原口沙輔 (Sasuke Haraguchi) prod. by 原口沙輔 (Sasuke Haraguchi)
- アクセカイ (Akusekai) by はすみ (hasumi) prod. by はすみ (hasumi)
- Aku Sepi Tanpamu by Aurelio (ID) prod. by Aurelio (ID)
- アルビノ (Albino) by buzzG prod. by buzzG
- アルビノ (Albino) -revive- by buzzG prod. by buzzG
- アルコーブ (alcove) by バルーン (balloon)
- Alice in Musicland by OSTER project (Ft. 鏡音レン (Kagamine Len), 鏡音リン (Kagamine Rin), KAITO, 巡音ルカ (Megurine Luka) & MEIKO (メイコ) (Vocaloid)) prod. by OSTER project
- Alice in N.Y. by ひとしずく×やま△ (Hitoshizuku×Yama△) (Ft. 神威がくぽ (Camui Gackpo), GUMI (グミ), IA, 鏡音レン (Kagamine Len), 鏡音リン (Kagamine Rin), KAITO, MAYU (マユ), 巡音ルカ (Megurine Luka) & MEIKO (メイコ) (Vocaloid))
- エイリアンエイリアン (Alien Alien) by ナユタン星人 (NayutalieN) prod. by ナユタン星人 (NayutalieN)
- エイリアンエイリアン (Alien Alien) by ワンダーランズ×ショウタイム (Wonderlands×Showtime) prod. by ナユタン星人 (NayutalieN)
- Alive by Sulfur (Vocaloid) prod. by Sulfur (Vocaloid)
- All Dreams Come True by shirovw prod. by shirovw
- allegro by 蝶々P (papiyon) prod. by 蝶々P (papiyon)
- All Good Things Takes Time by Lindo Habie (Ft. 巡音ルカ (Megurine Luka)) prod. by Lindo Habie
- すきなことだけでいいです (All I Need are Things I Like) by ピノキオピー (PinocchioP) prod. by ピノキオピー (PinocchioP)
- A l m o s t b u t n o t by 是 (Ze!) [JPN] (Ft. Kingyo) prod. by Kingyo & 是 (Ze!) [JPN]
- オルターエゴ (Alter Ego) by Vivid BAD SQUAD
- Alternative by 蝶々P (papiyon) prod. by 蝶々P (papiyon)
- ÅMARA (大未来電脳) (The Great Intelligence) by sasakure.UK (Ft. KAITO) prod. by sasakure.UK