"Iiwake Maybe" (言い訳Maybe, "An Excuse, Maybe") is the 13th major single by the Japanese idol group AKB48, released on August 26, 2009.

The single surprisingly outsold SMAP on its first day, taking the 1st place in the daily chart,[2] but eventually placed 2nd in the Oricon Weekly Singles Chart.

[3] Their sister groups JKT48, MNL48, AKB48 Team SH and BNK48 made their own version.

The single was released in two versions: Regular Edition (通常盤) (CD+DVD, catalog number KIZM-37/8) and Theater Edition (劇場盤) (CD only, catalog number NMAX-1086).

Those, who were voted 22nd to 30th, sang the B-side "Tobenai Agehachō" under the name of Under Girls.