Still many Yogyakarta water polo athletes experienced problem moment do shot or shooting, especially problem lies in the player's mentality. Study This aim for know-how influence between method Internal imagery and external imagery training for water polo shooting among Yogyakarta water polo athletes. Study This use method experiment with 2x2 factorial design with use technique collection of pre-test and post-test data on imagery exercises (internal and external) and level concentration (high and low). Population study is player DIY water polo team. Sample study this determined with purposive sampling technique consisting of 30 athletes. For know level concentration done test measurement with using test grid concentration. Internal imagery and external imagery exercises were carried out each exercise is done 6 times for 30 minutes. Ability athlete's shooting accuracy done with use 5 meter penalty shooting test. Data analysis techniques using two way Analysis of Variance (Anova) at level significance (α) 0.05. Research result show that: 1) exists difference between internal imagery and external imagery training (p = 0.010 < 0.05) then method more internal imagery exercises Good rather than external imagery. Group players who have concentration tall more appropriate if trained with internal imagery, meanwhile group players who have concentration low more Good If trained with external imagery.