Rodia may refer to:

• Rodia, Achaea, Greece
• Rodia, Grevena, Greece
• Rodia, Larissa, Greece
• Relative Optical Density Image Analysis (RODIA)
• Simon Rodia, Italian-American architect who created the Watts Towers in Los Angeles
• Rodia (Star Wars), a fictional minor planet in the Star Wars franchise

• Sagittarius (Ecliptic)
• Sagittarius (Harlan Vargas)
• Sagittarius (LMD)
• Sagittarius (LMD II)
• Sagittarius OB1
• Sagittarius of Gap
• Sagittate
• Sagittoidea
• Sagitun
• Sagitun FC
• Sagit Zaloof Namir
• Sagiz
• Sag ja zu mir, wenn alles nein sagt
• Saglana Salchak
• Sagma block
• Sagma Garhwa
• Sagmalcilar (Istanbul Metro)
• Sagman
• Sagmatas
• SAGMEG
• Sagmeister, Michael
• Sagmeister, Stefan
• Sag mir - Was meinst du?
• Sag' mir, wer Du bist
• Sag mir – Was meinst du?