マイナス人生オーケストラ (Minus Jin-Say Orchestra) is a synth rock band from Japan, signed to スキマ堂レコォズ (sukima dou records). They were formed in September 2008.
They are the so called "main unit" of projects ハル (HaL, 「ジミィ・スプリング」(JIMMY SPRING), ex-キボウ屋本舗) is in. The support member are constantly changing. Other projects are: 夕暮ちんどん一家, 電脳ビニィル, HaL tHe StRaNgE and others.