- アディショナルメモリー (Additional Memory) by じん (JIN) (JPN) prod. by じん (JIN) (JPN)
- ADMIT IT! by Mr Luck (Ft. Abnerxd) (Unreleased)
- Aegis by LEVEREVE prod. by LEVEREVE
- A Flower for You, a Song for Me (VOCAROCK collection Ver.) by Re:nG prod. by Re:nG
- アゲアゲアゲイン (Ageage Again) by Mitchie M prod. by Mitchie M
- アゲハグロウ (AGEHA GLOW / SWALLOWTAIL GLOW) by MASA WORKS DESIGN (Ft. GUMI (グミ))
- AGEHA STAINED by MASA WORKS DESIGN (Ft. 鏡音リン (Kagamine Rin)) prod. by MASA WORKS DESIGN
- A Happy Death - Again - by きくお (Kikuo) prod. by きくお (Kikuo)
- AI by Maiku Tachibana (Ft. Karasuhana) prod. by Maiku Tachibana
- アイ (AI) by DECO*27 prod. by DECO*27
- A.I. by cosMo@BousouP prod. by cosMo@BousouP
- あいのうた (Ai no Uta) by 大漠波新 (Daibaku Hashin) (Ft. 重音テト (Kasane Teto)) prod. by 大漠波新 (Daibaku Hashin)
- ガランド (Airhead) by ピコン (Picon) prod. by ピコン (Picon)
- AISHITE! (Feat. Hatsune Miku) by Dwandonly prod. by LUWR
- あいしていたのに (Aishiteitanoni) by MARETU prod. by MARETU
- Aishiterujinsei by Genius Romanizations (Ft. Mega Shinnosuke) prod. by Mega Shinnosuke
- Aじゃないか (Isn't it "A") by ピノキオピー (PinocchioP) (Ft. 鏡音リン (Kagamine Rin)) prod. by ピノキオピー (PinocchioP)
- あかぬけたよね (Akanuketa yo ne) by BCNO prod. by BCNO
- アカツキアライヴァル (Akatsuki Arrival) by Last Note. (Ft. 巡音ルカ (Megurine Luka)) prod. by Last Note.