Opening theme
OP1: "WE ARE!" (Episodes 1 to 47, 253.5)
Lyricist: Seiko Fujibayashi, Composer: Tanaka Hiroshi, Arranger: Negishi Takayuki, Song: Kitani Hiroshi
OP2: "Believe" (Episodes 48 to 115)
Lyricist: Taniho Nora, Composer· Arranger: GROOVE SURFERS, Song: Folder5
OP3: "ヒカリへ" (Towards the Sun) (Episodes 116 to 168)
Lyrics and Composer: Tanaka Akihito, Arranger· Song: ザ·ベイビースターズ (The Babystars)
OP4: "BON VOYAGE!" (Bon Voyage!) (Episodes 169 to 206, 253.8)
Lyricist: PANINARO 30 , Composer and Arranger: KOHSUKE OSHIMA, Song: BON-BON BLANCO
OP5: "ココロのちず" (The Navigation Map of the Heart) (Episodes 207 to 263)
Lyrics : MIZUE, Composer: Kazuki Watanabe, Arranger: Mi Guangliang, Song: BOYSTYLE
OP6: "BRAND NEW WORLD" (Episodes 264 to 278)
< p> Lyrics: Yoshida Yasuhide, Composer: Yoshida Yasuhide; IKUMA, Arranger: IKUMA, Song: D-51OP7: "ウィーアー!~Seven-person no MaiわらPirates Chapter~" (WE ARE !~The Seven Straw Hat Pirates Chapter~) (Episodes 279 to 283)
Lyrics: Fujibayashi Seiko, Composer: Tanaka Hiroshi, Arranger: Negishi Takayuki, Song: Seven Guys One Piece
OP8: "Crazy Rainbow" (Chapter 284~325)
Lyricist: TAKESHI/Kosuke Morimoto Composer: Kosuke Morimoto Arranger: CHOKKAKU, Song : Taki and Tsubasa
OP9: "Jungle P" (Episode 326~372)
Lyrics: 5050, Composer: 5050, Arranger: 5050, Song: 5050
OP10: "ウィーアー!~アニメーショソワソピース 10th Anniversary Ver.~" (WE ARE!~Anime ONE PIECE 10th Anniversary Version~) (Episodes 373 to 394)
Lyricist: Fujibayashi Seiko, Composer: Tanaka Hiroshi, Arranger: AKIRA, Song: TVXQ
OP11: "Share The World"
Lyricist: H.U.B, Composer: Kenichi Maeyamada, Arranger: AKIRA , Song: TVXQ (395~)
Ending theme
ED1: "Memories" (Episodes 1 to 30)
Lyricist: Otsuki Maki, composer· Arranger: Morita Junta, Vocalist: Otsuki Maki
ED2: "RUN! RUN! RUN!" (Episodes 31 to 63)
Lyricist: Otsuki Maki, composer and arrangement Music: MORI JUNTA, Song: Otsuki Maki
ED3: "I'm Here" (Episode 64~73)
Lyricist: Nishimura Maki, Composer: TOMATO CUBE, Yamauchi Kaoru, Song: TOMATO CUBE
ED4: "しょうちのすけ" (Episodes 74 to 81)
Lyricist: Takai Ryōsai, Composer and Arranger: Hyaku Ishimoto, Uta: Presumed Girl
ED5: "BEFORE DAWN" (Episode 82 ~ Chapter 94)
Lyricist: さとうみかこ, Composer and Arranger: Sato Nobuhiko, singer: AI-SACHI
ED6: "fish" (Episode 95~106)
Lyricist and composer: Ishida Takumi, arranger: The Kalei
doscope; Yu Imai, song: The Kaleidoscope
ED7: "GLORY-kun がいるから" (Because of You) (Episodes 107 to 118)
Lyricist: Watanabe Nana, Composer: Kazuhito Kikuchi, Arranger: KEN HARADA, Singer: Takako Uehara
ED8: "Shining ray" (Episodes 119 to 127, 129 to 132)
p>Lyricist and composer: yasu, arranger and singer: Janne Da Arc
ED9: "family" (episodes 128, 149.5, 174.5, 253.3, 253.8)
Lyricist: Fujibayashi Seiko, Composer: Tanaka Hiroshi, Arranger: Yukio Tsuru, Song: 7-person no MaiわらPirates Band
ED10: "Free Will" (Episode 133) ~Episode 158)
Lyrics, composition, arrangement, and song: Ruppina
ED11: "faith" (Episodes 159~168)
Lyrics: Mai Kudo, Composer: Fumio Yasuda, Song: Ruppina
ED12: "A to Z" (Episodes 169 to 181)
Lyrics: SOTARO, Composer and Arranger ·Song:: ZZ
ED13: "月と日" (Episode 182~195)
Lyricist and composer: Jun Takigawa, arranger: Jia Hara Masaki, singer: shela
ED14: "DREAMSHIP" (Episode 196~206)
Lyricist: イクタ☆アイコ, composer: ACKO, arranger : TEXAS TAXIS, Song: イクタ☆アイコ
ED15: "Future Voyage" (Episode 207~230)
Lyricist: Kosuke Morimoto; Mikiko Tagata, Composer: Kosuke Morimoto, Editor Music: CHOKKAKU, Song: Taki and Tsubasa
ED16: "Essence Pointer" (Eternal Pointer) (Episodes 231 to 245)
Lyrics: Ezeki and Tsubasa, Composer: U.S.B 2.0, Arranger: YANAGIMAN, Song: エイジアエンジニア
ED17: "Dear friends" (Episodes 246 to 255)
Lyricist: Ebata Hei, Composer: Ebata Hei ,,Song: TRIPLANE
ED18: "Tomorrow Is Coming" (My Destiny) (Episodes 256 to 263)
Lyricist: Takeshi Meio; Mai Koyamauchi, Composer: Meio Wu, Arranger: K-Muto, Song: TVXQ
ED19: "ADVENTURE WORLD" (Episode 264~278)