TTMA may refer to:

• T.T.Ma, a South Korean girl band
• Texas Talent Musicians Association (TTMA), awarders of the Tejano Music Awards

• Helianthea eos
• Helianthea osculans
• Helianthea typica
• Helianthea violifera
• Helianthella argophylla
• Helianthella covillei
• Helianthella douglasii
• Helianthella durangensis
• Helianthella microcephala
• Helianthella nevadensis
• Helianthella nudicaulis
• Helianthella parryi
• Helianthella pringlei
• Helianthella quinquenervis
• Helianthella uniflora
• Helianthemoides patens
• Helianthemon tuberarium
• Helianthemum appenninum
• Helianthemum breweri
• Helianthemum guttatum
• Helianthemum inconspicuum
• Helianthemum lignosum
• Helianthemum squamatum
• Helianthemum tuberaria
• Helianthemum variabile