Omer \o-mer\ as a boy's name is a variant of Omar (Arabic, Hebrew) and Umar (Arabic), and the meaning of Omer is "speaker; flourishing, long-lived; prospering, thriving".
The baby name Omer sounds like Amer, Omero and Umer. Other similar baby names are Amir, Emir, Emeer, Ameir, Ameer, Amr, Ammer, Amor, Amery, Aymer, Emery, Emeri, Gomer, Homer, Ofir, Ofeer, Omarr, Omari, Omri, Or, Osher, Osier, Osmar, Umber and Ymir.